The SBA says a lean startup plan can be drafted in as little as an hour and typically fits on one page (1). Length is not the hard part of a one-page business plan template. The hard part is choosing which of a dozen possible sections belong on the page before your side hustle has sold anything. This guide sets out those sections, shows a filled example, and lists what to leave out until the idea has been tested.
✓ Pros
- Makes untested assumptions visible instead of burying them in a polished document.
- Creates a compact reference for deciding what to test next.
✗ Cons
- A short plan cannot establish that customers will pay.
- Compressing a complex model can hide dependencies between its parts.
What a One-Page Business Plan Template Should Include
A one-page business plan template for a side hustle should cover six things: the customer, their problem, your solution, how they buy, how you earn and spend money, and your next milestones. Two layouts set the outer limits.
According to the SBA, a lean plan has 9 elements: key partnerships, key activities, key resources, value proposition, customer relationships, customer segments, channels, cost structure and revenue streams (1). The SBA’s 9 elements match the nine building blocks of the Business Model Canvas, the one-page framework from Alexander Osterwalder and Yves Pigneur’s book Business Model Generation (2). The template in this guide uses 12 headings: identity, problem worth solving, solution, target market, competition, sales channels, marketing activities, revenue, expenses, milestones, team and key roles, and partners and resources.
You do not have to use every heading. The SBA says you can pick the sections that fit your business instead of following an exact outline (1). For most side hustles, the 12-heading list is the easier one to fill in. The SBA’s 9 elements are more useful when you want to see how resources, partners and delivery fit together.
Customer, Problem and Solution
Start with one sentence that describes the business. Then name a specific customer and the problem they have. Write the solution as the result the customer gets, not as a list of features. Keep “problem worth solving” and “solution” as separate headings so you can check that one answers the other. Under competition, list what customers use today to solve the problem, including spreadsheets, a friend, or doing nothing.
Channels, Revenue and Costs
Keep marketing separate from sales. Marketing is how people hear about you. A sales channel is where they pay. Under revenue, say how money comes in: a one-time purchase, a subscription, or hours billed. That answer also tells you what kind of side hustle this is. A product, a content business, a productized service or small software can grow beyond the hours you put in. Freelance work is income tied to the time you sell. Both models work, but they run on different math. For costs, list the main expense areas, not the details.
Milestones and Next Steps
Frame milestones as goals for the next few months. Put one next action and one dated milestone on the page.
How to Fill In a One-Page Side-Hustle Plan
Work through the customer, offer, sales, costs and milestones in order to create a testable first draft.
- 1
Name the customer and problem
Describe one specific customer and the problem they have, using one sentence for each.
- 2
State the solution
Write the outcome the customer gets, rather than listing product features.
- 3
Map alternatives and routes to a sale
List what customers use now, how they will hear about the offer, and where they will pay.
- 4
Record revenue and costs
State how money comes in and list the main expense categories.
- 5
Set near-term milestones
Choose milestones for the next 90 days and identify one action to start this week.
Lean Business Plan vs. Traditional Plan: How Much Detail You Need
A lean business plan is a high-level, one-page summary for a simple venture you expect to revise often, while a traditional plan uses detailed sections and can run dozens of pages. The SBA presents both formats and says lean plans can help you explain or start a business quickly (1).
When a Lean Format Works
The lean format fits a side hustle you are testing in the evenings and funding yourself, with a model simple enough to describe in a few lines. When an assumption turns out to be wrong, you rewrite one line instead of a chapter.
When Lenders or Investors Want More
The SBA warns that some lenders and investors may need more information than a lean plan provides (1). Traditional plans commonly include a company description, market analysis, management and organization, product or service, marketing and sales, a funding request and financial projections (1).
The table below lines up drafting time, length and best-fit use for each format.
Business Plan Formats Compared
| SBA lean format | 12-heading lean template | Traditional plan | |
|---|---|---|---|
| Typical length | Typically one page | One page | Can run dozens of pages |
| Sections or headings | 9 elements (1) | 12 headings | Nine most common sections, use what fits (1) |
| Drafting time | As little as an hour | Short; redone as you test | Longer than a lean plan |
| Best-fit use | Seeing how the whole business model fits together | A first side-hustle plan linking the problem to sales, costs and near-term goals | Applying for financing or preparing a formal pitch |
Filled Example: A Simple Business Plan Template for a Side Hustle
A filled example shows what each section of a simple business plan template looks like with real decisions in it, with assumptions labeled so you can test them. The example below is invented for illustration. It describes a downloadable bookkeeping spreadsheet for freelance wedding photographers, which is a product that can grow beyond hours worked.
Section by Section
| Heading | What to write | Example entry (status) |
|---|---|---|
| Identity | What the business is, in one sentence | An editable spreadsheet that tracks bookings, deposits and tax set-asides for solo wedding photographers. (Decision) |
| Problem worth solving | One customer’s specific problem | Deposits and final payments arrive months apart, so photographers lose track of what is owed and what to set aside for taxes. (Assumption: confirm in five interviews) |
| Solution | The result the customer gets | One file that shows money owed, money received and a tax reserve for each booking. (Decision) |
| Target market | A segment you can contact; size only if known | Solo wedding photographers in their first three years who do not use accounting software. Market size is unknown and still needs research. (Assumption) |
| Competition | What customers use today | Generic budget templates, accounting software, and notes kept in a phone. (Assumption: confirm in the interviews) |
| Sales channels | Where customers pay | One-time purchase and instant download from a storefront. (Decision) |
| Marketing activities | How people hear about you | Posts in two photographer communities and a free sample tab. (Decision) |
| Revenue | One-time sale, subscription or hours billed | Single-product sales. The price will be set after the interviews. (Assumption) |
| Expenses | Main expense areas, not details | Storefront fees, spreadsheet software, and a domain and email. (Decision: categories only) |
| Milestones | Goals for the next few months, one dated | Finish five interviews by the end of month one, publish the sample tab in month two, and record the first ten sales by month three. (Decision) |
| Team and key roles | Who does the work | Solo founder. (Decision) |
| Partners and resources | Who or what you rely on | One photographer who will beta test. (Decision) |
The example leaves out sales forecasts, a staffing plan and a funding ask. None of those can be estimated until someone has paid.
Marking What’s Still an Assumption
Fill in market size only if you know it. Writing “unknown” is the honest entry, and it gives you a research task. Tag each line as validated, assumption or decision. When most lines on the page still read “assumption,” your next milestones should be customer conversations rather than branding or a website.
What to Leave Out of a One-Page Plan at This Stage
Leave out detailed financial projections, a broad “anyone” customer segment, feature lists, and any assumption that the page will satisfy a lender. Each of these makes the plan look more finished than it is.
Skip Detailed Projections For Now
A three-year forecast built before your first sale is a guess presented in a spreadsheet. Major cost categories and the revenue model are enough until you have real sales data. If you later need financing, the SBA says some lenders and investors may ask for more information (1), so you will build projections at that point from real numbers.
Don’t Write for ‘Anyone’
The SBA advises being specific about customers because no business serves everybody (1). Replace “anyone who needs help with money” with a segment you could find and contact this month. Watch two related mistakes as well. One is describing features instead of the value the customer gets. The other is listing promotion without a path to purchase. Every customer needs a place to pay.
Expanding Your Plan: When to Move Beyond One Page
Move beyond a one page business plan when you seek a loan or investment, take on a partner or staff, or run a model with too many moving parts for one page. Each of these means another person needs detail you can no longer keep on a single sheet.
Repeat sales are another signal. Once you have them, your assumptions have become data worth writing down at length. The SBA’s traditional format adds a market analysis, management and organization, a funding request and financial projections, and lenders and investors commonly request this format (1). If you are applying to a specific bank or program, ask whether it provides its own template and use that instead of a generic format.
The SBA’s 9-element lean format sits between the two. It is still one page, but it maps resources, partnerships and customer relationships that the 12-heading template treats more briefly.
Frequently Asked Questions
- What should a one page business plan include?
- Include the customer, problem, solution, alternatives, sales channel, revenue model, major costs and near-term milestones; the 12-heading template also includes team and partners.
- Can I write a business plan in one page?
- Yes, a simple venture that you expect to revise often can use one page as a working draft, though lenders may need more detail.
- What are the 5 C's of a business plan?
- The 5 C's can mean company, customers, competitors, collaborators and context, or the credit factors character, capacity, capital, collateral and conditions.
- Can ChatGPT write a full business plan?
- ChatGPT can draft wording and suggest headings, but you must supply and verify customer, cost and demand information before relying on the plan.
- Where can I find one-page templates?
- SCORE and the SBA provide plan resources, while Word, Google Docs and Canva offer template galleries; choose headings that fit the business.
- When should I write the plan?
- Write a first draft before committing substantial money or evenings, then revise it as customer conversations and sales replace assumptions with evidence.
Who a One-Page Plan Fits
A one-page plan is a working draft for testing a side-hustle idea, not a financing document.
- Fits: someone who funds their own side hustle, works on it evenings and weekends, and wants their assumptions on one page where they can test them.
- Does not fit: anyone applying for a loan, raising investment or bringing in partners who need full projections.
- Try instead: the SBA’s traditional plan format, or the lender’s own template, once you need funding or a detailed pitch. If you still need to map how the business model fits together, the SBA’s 9-element lean format is a middle step.
