Print-on-demand sounds like the perfect side hustle. No inventory, no shipping boxes in your hallway, upload a design and let the platform do the rest.
All of that is true. What the YouTube thumbnails skip is the maths. Between the base product cost, shipping, platform fees, payment fees, taxes and maybe ads, a sale that looks like decent money can leave you with very little. Sometimes less than nothing.
So before you design anything, do this calculation. It takes five minutes and can save you months.
The short version
- Profit = selling price − (base cost + shipping you absorb + platform fees + payment fees + marketing cost per sale).
- Calculate per sale and as a margin. A thin margin cannot survive paid ads or returns.
- Use the real numbers from your platform’s current price list, not someone’s old screenshot.
- If the numbers only work without advertising, plan an organic traffic strategy from day one.
The print-on-demand profit formula
Profit per sale = Price − Base cost − Shipping you pay − Platform fees − Payment fees − Marketing cost per sale
Profit margin = Profit per sale ÷ Price × 100
Let us go through each part, because each one hides a trap.
Base cost
What the print provider charges to produce the item. It varies by product, brand of blank, print method, print size and provider location. Premium blanks cost more but often reduce returns and bad reviews.
Shipping you absorb
If you offer “free shipping,” you are paying for it, so it belongs in the cost. If the customer pays shipping separately, leave it out, but remember that high shipping costs reduce conversions.
Platform and marketplace fees
Listing fees, transaction fees or subscription costs, depending on where you sell. Marketplaces typically take a percentage of each sale; your own store may have a monthly plan instead.
Payment processing fees
Card processors usually charge a percentage plus a small fixed fee per transaction. Small on one sale, very real across hundreds.
Marketing cost per sale
The one beginners forget. If you run ads, divide your ad spend by the number of sales it produced. If you rely on organic traffic, this can be close to zero, but your time is not free either.
A worked example (illustrative numbers)
These figures are made up for the sake of the maths. Replace every one of them with your provider’s and platform’s current prices.
| Line item | Organic sale | Sale from ads |
|---|---|---|
| Selling price | 25.00 | 25.00 |
| Base cost (shirt + print) | −11.00 | −11.00 |
| Shipping you absorb | −4.50 | −4.50 |
| Platform fees | −1.80 | −1.80 |
| Payment fees | −1.10 | −1.10 |
| Marketing cost per sale | 0.00 | −8.00 |
| Profit per sale | 6.60 | −1.40 |
| Margin | 26% | −6% |
Same shirt, same price. One version makes money; the other loses money on every sale. That is why “just run ads” is not a plan until you know your numbers.
Five ways to improve your margin
- Raise the price with better positioning. A design for a specific niche (“for night-shift nurses”) can command more than a generic slogan.
- Bundle. Shipping a second item often costs less than the first, which improves profit per order.
- Choose products with healthier margins. Posters, mugs, hoodies and tees all have different cost structures. Compare before committing.
- Reduce reliance on paid ads. Pinterest, search-optimised listings and your own content can bring buyers without a cost per click.
- Compare providers. Base costs and shipping rates vary between print providers and regions. Order samples to check quality before you switch.
The hidden costs to budget for
- Samples: you should order your own products to check quality and take real photos.
- Returns and reprints: policies differ by provider. Know who pays for misprints.
- Taxes: sales tax or VAT may apply depending on where you and your customers are. Check your platform’s tax handling and local rules.
- Design and mockup tools: subscriptions add up over a year.
- Intellectual property: never use trademarks, characters or lyrics you do not own. Takedowns can close your shop.
Your next step
Pick one product you are considering. Open your provider’s and platform’s current price lists, fill in the formula, and calculate your margin for both an organic sale and an ad-driven sale. If the ad version is negative, you now know your traffic plan has to be organic, and that is a perfectly good business, as long as you know it before you start.
Want to sell designs as downloads instead of physical products? Read how to sell digital products without Etsy.
