Affordable is not the same as available
The amount a funder offers reflects its own review of your business. The amount you can afford reflects your cash flow, your cushion and your slowest months. These can differ, and when an offer is larger than what you can comfortably carry, the extra money usually adds cost and risk without adding profit.
Working backward from a payment keeps the decision anchored to your own numbers. Requirements vary by product and funder; many look at time in business, monthly revenue and credit, but none of that tells you what payment feels safe in your worst month. Only your records do.
Step 1: Set the affordable monthly payment
Start with monthly cash available after all costs, owner draw, taxes and existing payments. Subtract the cushion you want to keep. What remains is the most you should commit to new payments each month. Use your lowest recent month as a check, not just the average.
Affordable payment = monthly cash available − cushion
Example: a business averages $10,000 a month of cash available and wants to keep 60 percent as a cushion because revenue is seasonal. The affordable payment is $4,000 a month. Illustrative only. For how to measure cash available, see how much revenue can safely go to payments.
| Structure (illustrative) | Term | Amount supported | Total repaid |
|---|---|---|---|
| Fixed-total offer, 1.25 factor | 12 months | $38,400 | $48,000 |
| Loan at 1% per month | 12 months | $45,020 | $48,000 |
| Loan at 1% per month | 24 months | $84,974 | $96,000 |
| Loan at 1% per month | 36 months | $120,430 | $144,000 |
Step 2: Convert the payment into an amount
How much a payment supports depends on the term and the cost structure. For a fixed-total offer, multiply the payment by the number of months and subtract the total cost, or divide by the factor. For an amortizing loan, use the present-value formula, which a spreadsheet handles with its PV function.
Fixed-total offer: amount ≈ (monthly payment × months) ÷ factor
Amortizing loan: amount = payment × (1 − (1 + r)^−n) ÷ r
Example: a $4,000 monthly payment over 12 months on a fixed-total offer with an illustrative 1.25 factor supports about $38,400. The same payment on a loan at an illustrative 1 percent per month supports about $45,020 over 12 months, $84,974 over 24 and $120,430 over 36. Longer terms support more, at a higher total cost. Illustrative only, not quotes.
Step 3: Compare the affordable amount with the need
If the affordable amount covers what you need, borrow the need, not the maximum. If it falls short, you have four honest choices: phase the project, put in more of your own cash, accept a longer term that raises total cost, or wait. Borrowing more than you can carry is not one of them.
- Phase it: fund the part that pays back fastest, then use its profit for the rest.
- Add cash: a larger down payment reduces the amount and the payment.
- Longer term: lowers the payment, usually raises the total repaid.
- Wait: build cash or revenue first, weighing what waiting costs, as in the cost of waiting to buy equipment.
Step 4: Stress-test the payment
Before applying, check the payment against a revenue drop. Because many costs are fixed, cash available falls faster than revenue, so a payment that fits comfortably in an average month can fail in a slow one. If the payment fails a moderate drop, reduce the amount or build a reserve first.
Example: the business with $10,000 of average cash available sees it fall to $5,000 in a month with 15 percent lower sales. The $4,000 payment still fits, leaving $1,000. At a 25 percent drop, cash available might fall to about $1,500, and the payment would need a reserve. Illustrative figures. The full method is in the revenue-drop stress test.
Seasonal businesses: size to the slow season
If revenue swings through the year, calculate the affordable payment from slow-season cash, or plan a reserve from the busy season to cover the gap. A term timed to end before the slow season, or a structure that flexes with sales, can also make a larger amount workable without overcommitting.
For the payment math on specific products, see term loans, and check each offer with the true-cost worksheet. The steps from application to funding are on How It Works.
Frequently asked questions
How is this different from how much I can borrow?
How much you can borrow is what a funder is willing to offer after reviewing your business. How much you can afford is what your cash flow can carry with a cushion in a slow month. The second number is yours to calculate, and it should set the upper limit on what you accept.
What term should I assume?
Match the term to how long the investment keeps producing its benefit, then check the payment. Shorter terms usually cost less in total but need a larger payment; longer terms support a larger amount at a higher total cost. Run the calculation at two or three terms to see the trade-off.
Should I borrow the full affordable amount?
Only if you have a clear, earning use for all of it. The affordable amount is a ceiling, not a target. Borrowing more than the need raises total cost and uses up payment room you may want later. Borrow what the project requires, and keep the rest of your capacity as a buffer.
How do seasonal swings change the answer?
They lower it, unless you plan for them. Calculate the affordable payment from slow-season cash available, or set aside part of busy-season cash to cover payments later. A term ending before the slow season, or a payment that flexes with sales, can also help.
What if I need more than I can afford?
Phase the project, add more of your own cash, consider a longer term knowing it usually raises total cost, or wait until cash flow grows. Taking a payment your business cannot carry risks more than the project is worth. The honest answer is sometimes to start smaller.
Know your number, then apply
Apply for the amount you can afford and compare options from our funding partners.
Updated September 14, 2026 · Roifunder Funding Team