Eric Kuvykin

Reviewed October 17, 2026. This operational guide replaces an earlier general overview. The original publication date and URL are retained.

Financing can fund more orders without making each order economically attractive. Estimate incremental contribution and cash timing separately before treating a larger sales forecast as repayment capacity.

Define the costs that rise with each order

Separate variable costs from fixed commitments and identify costs that change only after a volume threshold. SBA’s break-even guide explains the relationship between selling price, variable cost and fixed costs. Use documented inputs for the actual business; a processor deposit is a cash event and is not a complete measure of contribution or accounting profit.

Calculate one illustrative order

Assume an order sells for $100 and requires $55 of goods, $8 of packing and delivery expense, $3 of payment expense and $4 of expected returns or servicing cost. The modeled contribution is $30: $100 minus $70 of variable costs. One hundred additional orders would contribute $3,000 before incremental fixed costs, financing expense, tax and other omitted items. The assumptions are examples, not observed merchant results.

Test the added operating commitment

If serving those orders requires a new $2,400 monthly fixed commitment, the simplified remaining contribution is $600 before financing expense and other excluded costs. At only 60 extra orders, contribution is $1,800, which does not cover that $2,400 commitment. A sales increase is therefore insufficient evidence that the expansion works. Check whether staffing, storage or software costs step up at the forecast volume.

Build a separate dated cash schedule

Place inventory purchases, customer receipts, returns and actual financing payments on their expected dates. An economically positive order can consume cash before the customer pays. Keep principal repayment distinct from financing expense when discussing profitability, while including the full required payment in the cash calendar. Have an accountant review the cost classification and an appropriate adviser assess the financing terms. The output is an incremental contribution estimate beside a cash schedule, not a promise of funding eligibility.

Sources and related reading

Primary reference: SBA’s break-even analysis guide. Worked examples are illustrative analysis, not client results or provider quotes.

Continue with the financing repayment-frequency cash calendar and the AMS New Jersey merchant reading path.

Eric’s alternative financing guide connects offer costs with operating cash needs.