When to Offer Free Shipping — And When Not To

How Free Shipping Works (You Pay)

When you offer "free shipping," you're absorbing the shipping cost. A $30 item with $7 free shipping costs you $7 off the top.

Platforms like eBay and Etsy charge fees on the full amount the buyer pays, including shipping — so when you build shipping into a free-shipping price, you still pay fees on it. Free shipping doesn't reduce your fees.

When Free Shipping Helps

• Lightweight items (<1 lb) where shipping costs only a few dollars — easy to absorb.
• High-margin items where $5–7 shipping won't hurt.
• Competitive categories where other sellers already offer it.
• Poshmark: Buyers already pay Poshmark's flat shipping fee — offering free shipping with Closet Clear Out can boost sales.
• eBay: Buyers compare price + shipping, and eBay's search tips ask for "reasonable shipping".

When Free Shipping Hurts

• Heavy items ($10+ shipping costs eat too much margin).
• Low-price items ($10–15 items can't absorb $5–7 shipping).
• Thin margins — if you're already at 15–20% margin, free shipping could push you negative.

The Hidden Math

Example: $25 item on Mercari.

• Buyer-paid shipping ($5.99): You pay 10% of $30.99 (item + shipping) = $3.10; the buyer's shipping covers the label. You keep: $21.90.
• Free shipping ($5.99 you pay): You pay 10% of $25.00 = $2.50 + $5.99 shipping = $8.49 total cost. You keep: $16.51.

That's $5.39 less in your pocket. Solution: price at $30.99 with free shipping to make it equivalent.

Platform-Specific Tips

• eBay: Buyers see the total cost. Building shipping into the price lets you offer free shipping.
• Poshmark: Standard shipping is a flat-rate USPS Ground Advantage label (up to 5 lb) that the buyer pays for. Offering free shipping during Closet Clear Out events can move stale inventory.
• Mercari: The 10% fee applies to the item price plus any shipping the buyer pays. If you offer free shipping, the fee applies to just the item price, but you eat the shipping cost.
• Etsy: Fees apply to item + shipping, so free shipping doesn't save on fees. It's purely a conversion play.
• Depop: Similar to Etsy — fees apply to total.

Check the fee guides for platform-specific details.

The Formula for Free Shipping Pricing

New Price = Old Price + Shipping Cost

That holds when the platform already charges its fee on the shipping the buyer pays (eBay, Etsy and Mercari do), as in the $30.99 example above.

A platform that charges its fee only on the listed price needs a little more: New Price = Old Price + Shipping Cost / (1 − Fee Rate).

Or use FeePilot's reverse calculator — enter your desired take-home and it accounts for everything.

See How Shipping Affects Your Profit

Toggle shipping costs in the calculator and watch your profit change across every platform.

See how shipping affects your profit →