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A $6 product sold for $18 sounds like a 3x win. But once you subtract shipping, transaction fees, ad cost and returns, that "3x" can shrink to single-digit net profit — or vanish entirely. Here's the actual math, worked example by worked example.
Markup vs margin — they're not the same number
These two words get used interchangeably in dropshipping groups, and that's how people end up underpricing. Markup is profit divided by cost. Margin is profit divided by selling price. Same sale, two different denominators, two very different-looking percentages.
Take a product that costs $6 on AliExpress and sells for $18. Profit is $12. As markup, that's $12 / $6 = 2.0, so a 3x markup (selling price is 3 times cost). As margin, it's $12 / $18 = 0.667, so a 66.7% gross margin. Both numbers describe the identical sale — but "3x" and "66.7%" feel like different businesses if you don't know which one you're looking at.
Why it matters practically: if a supplier or a course tells you to "keep a 70% margin," that means your selling price needs to be roughly 3.3x your cost — not 1.7x, which is what a lot of beginners assume when they hear "70%." Confusing the two is the single most common reason new stores price too low to survive ad costs.
The costs beginners forget
Cost price minus selling price is not profit. By the time an order is fully paid, delivered and reconciled, at least five more line items have taken a bite:
Product cost
The AliExpress unit price, ideally from the cheapest seller with real order volume and a 4.5+ rating, not the first listing you see.
Shipping
Even "free shipping" listings often bake $1–4 into the item price. ePacket or AliExpress Standard typically runs $2–6 per unit depending on weight and destination.
Transaction fees
Stripe, PayPal and most card processors take roughly 2.9% + $0.30 per transaction. On a $30 order that's about $1.17 gone before you see the money.
Ad cost (CPA)
What you pay in Meta or TikTok ad spend to acquire one paying customer — typically $5–20 depending on niche, creative quality and funnel. This is usually the single biggest cost.
Returns and refunds
Budget 2–8% of orders as a blended cost — refunded product cost, lost ad spend on that sale, and support time. Ignoring this quietly erodes margin on every batch of 20–30 orders.
Add those five together and a product that "looks like" a $12 profit on paper often nets $3–6 in reality. That gap is exactly why the markup rule below exists.
The 2.5–3x rule and why it exists
The common advice to price at 2.5–3x your AliExpress cost isn't arbitrary — it's sized to survive the cost stack above. Here's the logic in order:
- Product + shipping typically eat 20–35% of a well-priced item's revenue.
- Transaction fees take another 3–4%.
- Ad cost (CPA) is usually the largest single line — often 25–45% of revenue on a cold-traffic funnel.
- Returns absorb another 2–8% blended across all orders.
Stack those and you're already at 50–90% of revenue spent before you count a dollar of profit. A markup below 2x (50% margin) leaves almost no room for a CPA spike, a bad-return week, or a platform fee increase — one bad week and the product goes negative. A 2.5–3x markup (60–67% margin) is the buffer that keeps a normal CPA swing from wiping out the whole batch.
Break-even on ad spend
The rule that actually matters day to day: your profit-per-order before ads must exceed your cost-per-acquisition, or every sale loses money.
Say a product sells for $27, costs $7, ships for $3, and transaction fees run $1.08 (2.9% + $0.30). Returns allowance at 5% of revenue is $1.35. Profit-per-order before ads is $27 − $7 − $3 − $1.08 − $1.35 = $14.57. That $14.57 is your break-even CPA. If Meta is charging you $11 per purchase, you're netting about $3.57 in profit per order. If CPA creeps to $16, you're losing $1.43 on every sale — and scaling ad spend at that point just scales the losses.
A full worked example — cost to net profit
Take a real-shaped product: a posture corrector that costs $6.20 on AliExpress from a seller with 8,000+ orders and a 4.7 rating.
Step 1 — Set the price
Target a 2.9x markup: $6.20 × 2.9 = $17.98, rounded to a psychological $19.99.
Step 2 — Subtract landed cost
Product $6.20 + shipping $2.80 = $9.00 landed cost. Revenue left: $19.99 − $9.00 = $10.99.
Step 3 — Subtract fees
Transaction fee at 2.9% + $0.30 on $19.99 = $0.88. Remaining: $10.99 − $0.88 = $10.11.
Step 4 — Subtract returns allowance
5% blended returns cost ≈ $1.00. Profit-per-order before ads: $10.11 − $1.00 = $9.11.
Step 5 — Subtract ad cost (CPA)
At a $7.50 CPA (a realistic cold-funnel number for this niche), net profit per order = $9.11 − $7.50 = $1.61.
$1.61 per order sounds thin, but at 200 orders a week that's $322 — and the moment creative or targeting improves CPA to $6, per-order profit jumps to $3.11 and weekly profit to $622 on the same volume. This is why the 2.5–3x markup exists: it's the only version of this math where a normal CPA range still leaves something on the table.
How to price without scaring buyers
- Anchor to a "reasonable" range, not the cost. Buyers price-check against similar products, not against what you paid AliExpress. A $6 item priced at $19.99 next to $15–25 competitors reads as normal, not marked up.
- Use charm pricing. $19.99 converts better than $20.00 in most cold-traffic funnels — the left digit anchors perception more than the actual $0.01 difference.
- Bundle to lift average order value instead of the unit price. "Buy 2, save 15%" increases revenue per customer without pushing the single-unit price into an uncomfortable zone.
- Reserve full 3x+ markup for products with a genuine wow-factor or problem-solve angle. Commodity-feeling items need to stay closer to 2–2.5x or buyers bounce to a marketplace listing of the same thing.
The quick way to check margin
Doing this math by hand for every candidate product — finding the cheapest reliable AliExpress price, running the markup, estimating a realistic CPA for the niche — is exactly the kind of repetitive work that burns an evening before you've even validated demand. See our guide on how to find winning AliExpress products for the demand side of that filter.
Blip pulls the cheapest real AliExpress price for a product automatically and runs the markup/ROI math against it, so you see the margin and a buy/test/skip verdict before you've opened a single seller listing. It's free and works without an account.
Check the margin on your next product
Paste a keyword or an AliExpress link and get real cost, markup and a profit verdict — free, no card, no sign-up for your first product.
Open the radar →Frequently asked questions
What's the difference between markup and margin?
Markup is profit divided by cost; margin is profit divided by selling price. A $6 product sold for $18 has $12 profit on a $6 cost, which is a 3x (200%) markup, but that same $12 profit on an $18 sale price is only a 66.7% margin. They describe the same sale but answer different questions, and confusing them leads to underpricing.
What profit margin should I aim for in dropshipping?
Most profitable dropshipping stores price at roughly 2.5–3x their AliExpress cost, which works out to a 60–67% gross margin before ad spend, fees and returns. That cushion exists specifically to cover a $5–20 cost-per-acquisition and still leave 15–30% net profit per order after every cost is subtracted.
How do I calculate break-even on ad spend?
Take your selling price, subtract product cost, shipping, transaction fees and a returns allowance to get profit-per-order before ads. Your break-even cost-per-acquisition is that number — spend less than it on ads and you're profitable, spend more and you're paying to lose money on every sale.
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