So you’re staring at a table full of your parents’ old stuff, wondering what to charge. Maybe it’s a set of mid-century barware, or a box of vintage comic books. You don’t want to give it away, but you also don’t want to be the person who thinks a 1970s toaster is worth $200. Here’s how to price like a pro—without a degree in antiques.

Start with eBay Sold Listings (Not Active)

eBay is your best friend here, but only if you filter by “Sold Items.” Listings that are still active could be asking way too much (or too little) and haven’t actually sold. For example, a vintage Pyrex Cinderella mixing bowl set in good condition? Sold listings show $40–$60. But add “butterprint” pattern and a lid, and you’re looking at $100+. A classic 1970s Marantz stereo receiver? Expect $300–$500 if it powers on. Just remember: eBay takes a cut, and you’ll have to ship.

Look for Recent Comps, Not Pristine Examples

Your parents’ cast iron skillet might have a few rust spots. That’s fine. Look for sold items with similar wear. A 10-inch Lodge skillet from the 1950s with surface rust typically sells for $25–$40. A perfect, seasoned Griswold #8? That’s $100–$150. Be honest about condition. Don’t price it like the museum piece when yours has a scratched Teflon pan.

Factor in Condition and Completeness

Missing pieces kill value. That vintage china set for 12? Worth $150–$200 if complete. Missing two cups? Drop to $80. For electronics, test everything. A working vintage clock radio might bring $30. One that hums but doesn’t turn on? Maybe $5 as “for parts.” And always note if the original box or manuals are included—add 20% if you have them.

Don’t Forget the Shipping Cost Trap

Heavy items like cast iron skillets look great on eBay, but shipping a 5-pound pan across the country costs $12–$18. A full set of dinnerware? You’ll be paying $50+ in shipping and packaging. That cuts into your profit. Consider selling bulky items locally on Facebook Marketplace or at the estate sale itself, where buyers take it home. For lighter collectibles, eBay is fine, but always add a shipping weight estimate in your listing. No one likes a surprise $25 shipping charge.

The One Rule That Saves You Money

Set your prices 20-30% above what you think the fair market value is. Why? Because estate sales are negotiations. Buyers expect to haggle. If you start too low, you’ll get lowballed. Start a bit high, then drop prices on day two. For eBay, start your auction at a fair price or use “Buy It Now” with “Best Offer” enabled. Check eBay’s completed listings again after two weeks if nothing moves. Practical recommendation: Pick three comparable sold items, average their prices, then add 15%. That’s your starting price. Be willing to negotiate, but not below your cost to ship.

You’re not running a charity (unless you want to). Use these tricks and you’ll clear out the house with cash in hand—and maybe keep a few treasures for yourself.