Big Ideas — Andrea Oliver
Andrea Oliver

Big Ideas

Some of the best solutions to persistent problems are not complicated. They just need someone to notice an obvious gap and ask why it has not been filled. These are questions worth asking out loud.

These ideas are starts, not blueprints. Every one of them is drawn from something that has worked somewhere else in the world. The question is whether it could work here. Join The Builders Society on Facebook to discuss, push back, improve, and add your own.

01
Land & Food Access
Common across the UK, Netherlands, Germany, and much of Asia. Underutilized in small-town America.

Rent a Plot. Grow Your Own Food.

Connecting unused land with people who want to grow

Across much of Europe and Asia, allotment gardening has been a quiet fixture of working-class life for over a century. In the UK, the Allotments Act of 1908 gave residents the legal right to request garden plots from their local council. In Germany, Kleingarten (small gardens) are embedded in city planning as a community resource. The idea is not new. It is just underused here.

The American version is simple: farmers, landowners, and anyone with unused ground rent small garden plots to apartment dwellers, renters, and anyone without yard space. The landowner earns a second income from land sitting idle. The renter gets access to soil and sunlight. The community eats better and knows where its food comes from.

Where this comes from
In Japan, shimin nōen (citizen farms) are formally integrated into urban planning. In Cuba, the urban agriculture movement converted vacant lots into productive gardens during an economic crisis and became permanent. In India, rooftop and community gardens in dense cities are standard. The model works at every scale.

Andrea is personally seeking land to rent for this purpose in the Greensburg area. If you have land to offer or want to explore making this happen in your community, reach out or bring it to the group.

Questions worth asking
  • Who in Greensburg has unused land they would be willing to rent?
  • What would a fair monthly rate look like for a plot big enough to grow a meaningful amount of food?
  • What infrastructure is needed — water access, fencing, shared tools?
  • Could this become a community co-op rather than individual rentals?
Have land? Want a plot? Think this could work in your area? Bring it to The Builders Society and let's figure it out together.
Discuss in the Group →
02
Community Finance
West Africa (susu), Korea (gye), Mexico (tanda), Caribbean (partner hand), Ethiopia (iqub) — practiced by billions worldwide.

Rotating Savings Circles

What West Africa, Korea, and Mexico figured out about saving money without a bank

In West Africa it is called a susu. In Korea, a gye. In Mexico, a tanda. In Ethiopia, an iqub. The structure is nearly identical everywhere it appears: a group of people agree to contribute a fixed amount of money every week or month. The entire pot goes to one person. The next cycle, it goes to another. Everyone gets a turn.

No bank. No interest. No credit check. No application. Just people who trust each other enough to do this together. For communities where traditional credit is inaccessible or predatory, this model has funded small business starts, emergency expenses, and school fees for generations across every continent.

Why it works
The psychology is well studied. Because the money must be used when received — rather than being available to dip into — it creates a forced savings discipline most people cannot replicate alone. The social accountability of the group means almost everyone follows through. Default rates in informal savings circles are consistently lower than in traditional lending.

In Greensburg, this could be ten people contributing $100 a month. Every month, one person receives $1,000. In ten months, everyone has had a turn. No fees. No interest. No paperwork beyond what the group agrees on.

Questions worth asking
  • What size group and contribution amount would work for people in this community?
  • How do you handle trust and accountability for people who do not know each other well?
  • Could a church, employer, or community organization serve as the organizing structure?
  • Are there legal or tax considerations for a group this size?
This has worked for billions of people across every continent. Could it work in Greensburg?
Discuss in the Group →
03
Skill Exchange
Japan (Fureai Kippu), traditional barter communities across Africa and Asia. Formal time banks now operating in 34 countries.

Skill and Time Exchange

What if an hour of your time was worth an hour of someone else's — regardless of what either of you does?

In Japan in the 1990s, economist Teruko Mizushima developed the Fureai Kippu — a care currency for the elderly. Volunteers provided services to older people who could not care for themselves. Instead of money, they received time credits they could bank and spend on their own care later, or transfer to an elderly relative in another city.

The broader concept — exchanging hours of skill rather than money — is practiced in some form in nearly every traditional culture. The modern version is a time bank, and there are formal networks operating in 34 countries. One hour of childcare equals one hour of car repair equals one hour of accounting help. The unit is time, not market rate.

What makes this different from barter
In pure barter, you need someone who has what you need and wants what you have — at the same time. Time banking breaks that constraint. You earn credits by helping anyone in the network and spend them on anyone else. The exchange does not need to be simultaneous or bilateral.

For Greensburg: a retired electrician with time. A young mother who needs childcare. A small business owner who needs a website. A widow who needs yard work. A veteran who can teach. Everyone has something to offer. Most people just have no structured way to offer it.

Questions worth asking
  • What platform or system would make it easy to log and exchange hours?
  • What skills does Greensburg have in abundance that others need?
  • Could a local church, library, or community center host and facilitate the exchange?
  • How do you handle reliability and the occasional mismatch?
Every person in a community has something worth trading. What would you offer, and what would you need?
Discuss in the Group →
04
Food Preservation
Traditional practice across Korea, Japan, Eastern Europe, Appalachia, and most of rural Africa and Asia. Nearly lost in modern American life.

Community Food Preservation Collective

What most families used to know — and why it still matters

In Korea, making kimchi has traditionally been a communal event. Neighbors gather, work together to prepare hundreds of heads of cabbage, and each family goes home with enough fermented food to last the winter. In Appalachian communities, canning bees brought neighbors together to process the summer harvest before refrigeration. In most of Africa and Asia, food preservation is simply what communities do to make sure they eat year-round.

Most American families have lost this knowledge entirely. They buy processed food at prices that keep rising. They throw away produce that goes bad. They have no buffer between a grocery shortage and an empty refrigerator. The skills existed here not long ago.

What this could look like
A shared space — a church kitchen, a community center — where neighbors bring surplus produce, work together to can, ferment, dry, or preserve it, and leave with jars to stock their own pantries. Shared equipment keeps costs low. Shared knowledge means the skills transfer. This connects directly to Idea 01: people who grow food need somewhere to process it.
Questions worth asking
  • Who in Greensburg still has canning, fermentation, or preservation knowledge worth teaching?
  • What space could host a seasonal preservation gathering?
  • What equipment would a shared collective need, and how would costs be shared?
  • Could local farmers donate surplus produce to a community preservation effort?
Know how to can, ferment, or preserve food? Want to learn? Have space or equipment to offer? This one could start very small, very quickly.
Discuss in the Group →
05
Shared Resources
Formalized in Scandinavia, Japan, and the Netherlands. Known informally in most traditional communities worldwide.

A Community Tool Library

Most households own $500 of tools they use four hours a year

In Norway and Sweden, the concept of dugnad — communal voluntary work — has long included the shared use of resources. In Japan, neighborhood tool-sharing is simply assumed in many communities. The formalized version, a tool library open to registered members, operates in hundreds of cities across Europe and North America, though rarely in small towns where the need is arguably highest.

The idea is straightforward: a community-owned collection of tools and equipment that members can borrow rather than buy. Power drills. Circular saws. Pipe wrenches. Pressure washers. Rototillers. Ladders. Things every household eventually needs and almost no household needs more than a few times a year. Instead of every family on a street owning a drill, one drill serves all of them.

The math is striking
The average American household owns roughly $2,000 worth of tools. A significant portion of those tools were bought for one specific job and have not been used since. A community of 50 households contributing $40 worth of donated or purchased tools could assemble a library worth $2,000 that everyone uses — at zero marginal cost to any one family going forward.

This also preserves the knowledge that goes with the tools. Older community members who own tools and know how to use them could serve as informal advisors or instructors, connecting the tool library to the skill exchange idea above.

Questions worth asking
  • Where would a tool library be housed — a church, a garage, a community center?
  • What is the simplest possible system for lending and returning tools?
  • Who would take responsibility for maintenance and repair of shared equipment?
  • Could businesses or contractors donate tools they no longer need?
Have tools to donate? Space to offer? Want to help organize this? The Builders Society is where this conversation starts.
Discuss in the Group →
06
Childcare
Practiced in Scandinavia (forældreledet dagpleje), across sub-Saharan Africa, and in traditional communities throughout Asia and Latin America.

Cooperative Childcare Circles

Six families. One day each. Five days of free childcare.

In Denmark and Norway, parent-cooperative childcare has been a formal institution for decades. In most of rural Africa and much of Asia, communal childcare is simply what neighbors do — not as charity, but as a recognized mutual obligation. The children of the community are the responsibility of the community.

The mechanics are simple. A group of six families with children of similar ages each commit to hosting and caring for all of the group's children on one assigned day per week or per month. Each family provides childcare once. Each family receives it five times. No money changes hands. The cost is time — and every family has the same amount of it.

Why this matters right now
Childcare costs in the United States have risen faster than almost any other household expense. For many working families, the cost of formal daycare exceeds the net income from a second job. Cooperative childcare does not replace professional care for families who want it. But for families who simply need coverage and trust their neighbors, it is a solution that costs nothing except showing up.

The social benefits are significant beyond the cost savings. Children develop relationships with other families. Parents build genuine community with people who are caring for their most important people. The group becomes something more than a childcare arrangement — it becomes a real network of mutual investment.

Questions worth asking
  • What age ranges work best for a cooperative childcare group?
  • What agreements does a group need before starting — safety, illness policies, emergencies?
  • How do you find the right families — church, neighborhood, school, workplace?
  • Are there liability considerations that need to be addressed?
Parents who trust their neighbors enough to try this: this conversation belongs in The Builders Society.
Discuss in the Group →
07
Seeds & Sovereignty
Standard in traditional agricultural cultures across Africa, Asia, and Latin America. Now being revived in public libraries across the US and Europe.

A Community Seed Library

Borrow seeds in spring. Return seeds in fall. Everyone eats.

In most traditional farming cultures, seeds are not purchased. They are saved, shared, and passed down. In West Africa, seed-sharing networks among women farmers have maintained crop diversity for generations. In India, community seed banks called beej banks preserve thousands of heirloom varieties that commercial agriculture has abandoned. In the Andes, the concept of ayni — reciprocal exchange — has governed seed sharing for centuries.

The concept applied to Greensburg is disarmingly simple. A collection of seeds — vegetables, herbs, flowers — housed at a library, church, or community center. Community members borrow seeds at the start of the growing season. At the end, they save seeds from their best plants and return them to the collection. The library grows. The cost to any individual family is zero after the first year.

Why this connects to everything else
A seed library plugs directly into the garden plot idea. People with access to land but not to seeds can grow. People with seeds but no land can trade. The preservation collective processes the harvest. The tool library provides the equipment. These ideas are not separate. They are a system — and it is a system that most small communities used to run naturally before modern supply chains made it feel unnecessary.

Several hundred public libraries in the US already run seed lending programs. The infrastructure requirement is a container, a card catalog, and one person willing to keep track of it. The return on that investment, measured in food grown and community built, is significant.

Questions worth asking
  • Which local institution — library, church, community center — would be the right host?
  • What varieties are most useful for a Greensburg-area growing season?
  • Who in the community already saves seeds and could anchor the initial collection?
  • How do you teach the seed-saving skills that make the library self-sustaining?
Gardeners. Farmers. Anyone who has ever saved a seed. This is a conversation for The Builders Society.
Discuss in the Group →
08
Neighborhood Structure
Japan (chonaikai), Africa (Ubuntu philosophy), Indigenous North American communities, traditional European parish networks.

A Neighborhood Mutual Aid Network

Not an app. Not a platform. A list on a bulletin board and a person who knows everyone.

In Japan, the chonaikai — neighborhood association — has organized community life for centuries. Every household belongs. A designated coordinator knows who is elderly, who is new, who has a skill to offer, who needs help. When a disaster strikes, nobody is left unaccounted for because everyone was already accounted for. The association is the infrastructure of community before the emergency.

The African philosophy of Ubuntu — often translated as "I am because we are" — captures the same underlying idea. The wellbeing of the individual is inseparable from the wellbeing of the community. You do not wait to be asked. You know your neighbors well enough to see when something is wrong and act on it.

The simplest possible version
A street or a block. A list of who lives there, what they can offer, and what they might need — not posted publicly, just held by one trusted coordinator. A monthly or seasonal check-in. A shared understanding that if something goes wrong, someone will notice and someone will respond. This existed in most American communities within living memory. It does not require technology to rebuild it.

The mutual aid network is the connective tissue that makes all the other ideas work better. The seed library needs someone to tell people about it. The time exchange needs someone to make introductions. The savings circle needs trust. A neighborhood where people know each other is the foundation on which everything else is built more easily.

This is not a nonprofit. It is not a government program. It is neighbors deciding to know each other on purpose — and building the minimal structure that makes that knowledge useful when it matters.

Questions worth asking
  • What is the smallest geographic unit that makes sense to start with — a street, a block, a neighborhood?
  • Who are the natural connectors in the community who already know everyone?
  • What is the minimum structure needed — a list, a group chat, a meeting once a year?
  • How do you make it feel welcoming rather than intrusive for people who value their privacy?
If you already know your neighbors, you already have a head start. Bring this to The Builders Society and let's think through it together.
Discuss in the Group →
The Builders Society

These are starts.
Not blueprints.

Every idea on this page is drawn from something that has worked somewhere in the world. Most of them have worked in communities far less resourced than Greensburg. The question is never whether an idea is possible. It is whether enough people want to try it. The Builders Society is where that conversation happens. Bring your thoughts. Bring your own ideas. Bring your pushback. That is the point.