How Many Units Do I Need to Sell to Break Even?
Most side hustlers know their revenue but have no idea if they're profitable. They see money coming in, see money going out, and hope the first number is bigger.
Break-even analysis replaces hope with math: fixed costs ÷ contribution margin = the exact number of units you need to sell. Anything above that is profit. Anything below is a loss you're funding from savings.
Here's how it works with a real Etsy shop selling custom phone cases at $25 each.
Travis's Setup
Fixed costs (monthly):
- Etsy shop fees: $15
- Heat press machine lease: $75
- Design software (Canva Pro): $13
- Instagram ads: $150
Total: $253/month
Variable costs (per case):
- Blank case: $3.50
- Printing materials: $1.20
- Packaging + shipping: $4.80
- Etsy transaction + processing fees (8%): $2.00
Total: $11.50 per case
Selling price: $25 per case. Contribution margin: $25 – $11.50 = $13.50
Break-Even Calculation
$253 ÷ $13.50 = 18.7 cases per month. Round up: 19 cases.
Travis needs to sell 19 cases per month to break even. That's about 5 per week. He's been selling about 28 per month. Good news: he is profitable. Bad news: he didn't know it. His profit is about $125/month. modest, but it proves the concept works.
The Sensitivity Question: What If He Raises Prices?
| Price | Contribution Margin | Break-Even Units | Profit at 28 units |
|---|---|---|---|
| $25 | $13.50 | 19 | $125 |
| $28 | $16.50 | 16 | $209 |
| $30 | $18.50 | 14 | $265 |
| $35 | $23.50 | 11 | $405 |
Travis's Next Move
At $30 per case, Travis's break-even drops from 19 to 14 units, and his profit doubles. He'd likely lose some sales from the price increase, but even if volume dropped from 28 to 22 units, he'd still make more money.
He raised prices to $29.99. Volume dipped from 28 to 24 units. His monthly profit went from $125 to $191. Not life-changing, but for a side hustle run from his kitchen table, it proves the model scales.
Frequently Asked Questions
What is a contribution margin?
Contribution margin = Selling price minus variable cost per unit. It's the amount each sale contributes toward covering your fixed costs. Once fixed costs are covered, the contribution margin becomes pure profit.
Does break-even include my salary?
Only if you include it as a fixed cost. Many small business owners forget to pay themselves. If you want to earn $3,000/month from your business, add that to fixed costs before calculating break-even.
How do I lower my break-even point?
Three ways: raise prices (increases contribution margin), reduce variable costs (same effect), or reduce fixed costs. Even small changes compound. saving $0.50 per unit on materials can drop break-even by 5–10%.