Break-Even Is a Question, Not a Magic Sales Target
A simple calculation can show what an operation must cover, provided you understand the assumptions inside it.
Suppose a fictional weekend stall has R600 in fixed costs. Each item sells for R50 and has R30 in variable costs. Each sale contributes R20 toward the fixed costs. Under these simplified assumptions, thirty sales cover the R600.
Name what the model includes
SBA break-even guidance uses fixed costs divided by selling price minus variable cost per unit. The calculation is useful because it makes the assumptions visible. It is incomplete if you forget transport, waste, packaging or another cost that belongs in the model.

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Check whether the sales price and cost estimate stay realistic at the expected volume. If making thirty items requires extra help, that change may alter the answer.
Try an uncomfortable version
What if ten items remain unsold? What if the venue fee rises? What if a supplier price changes? A second scenario can show how fragile the original target is.
Break-even does not establish customer demand or guarantee cash will arrive in time. It answers a narrower question about covering costs under stated assumptions. Use it to sharpen a business decision, then test the other parts of the plan rather than treating the result as permission to stop asking questions.

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Sources and further reading
References
- Break-even point | US Small Business Administration · primary