Know It. Sell It.
Turn your unused stuff into money.
KnowitSellit.com
Find out what your stuff is worth—and how to sell it.
You may have money hiding in your house. Old watches, golf clubs, collectibles, electronics and more.
Send us a few photos. We’ll research your item and prepare a personalized report showing what it could sell for, what price to ask, and where and how to sell it.
Your first report is FREE.
No credit card required.
One free report per customer.
More than a price estimate. A plan to get it sold.
Know what it's worth
Identify your item and understand its estimated resale value.
Know what price to ask
Get a suggested asking price and strategy for a quicker sale.
Know where and how to sell it
Get a recommended selling platform, ready-to-use ad copy, and practical advice to attract buyers.
3 Easy Steps
Why I Built - Know It. Sell It.
I started looking around my own house at things we hadn’t used in years — golf clubs, a barbecue, collectibles and other things that had simply accumulated.
I discovered that figuring out what something was really worth — and how best to sell it — was often harder than actually selling it.
So I began using AI and real market research to identify items, find market values and create better listings. Things started selling.
That experience became KnowItSellit.com – a simple way to help other people discover the value of their possessions and find practical ways to sell them.
— Jeff Goldstein, Founder
See What Your Report Includes
More than an estimated value. Your personalized report helps you understand what you own, what price to ask, and how to sell it.
- Item identification and estimated resale value
- Market research and recommended asking price
- Recommended selling platform
- Ready-to-use listing copy and photo guidance
- Practical next steps to help find a buyer
Real Items. Real Results.
A few examples from my own selling experience.
Scottie Cameron Putter
Sold for $400
Sold in under 24 hours
Weber Summit BBQ
Sold for $750
Sold in 1 day
PING i530 Irons
Sold for $550
Canon EOS 650
Sold for $125
Olympic $20 Coins
Sold for $160
Sold in 5 days
Real Items. Real Results.
A few examples from my own selling experience.
Scottie Cameron Putter
Sold for $400
Sold in under 24 hours
Weber Summit BBQ
Sold for $750
Sold in 1 day
PING i530 Irons
Sold for $550
Canon EOS 650
Sold for $125
Olympic $20 Coins
Sold for $160
Sold in 5 days
ONE MORE ITEM
$14.99 USD
Complete research report for one additional item.
Selling prices and times vary by item, condition and market demand.
Have More Stuff to Sell?
Your first report is FREE. If you like what you receive, we’re here to help with your next item—or the whole collection.
ONE MORE ITEM
$14.99 USD
Complete research report for one additional item.
BEST VALUE
5 – ITEM BUNDLE
$49 USD
Five complete research reports.
Save $25.95
ONE MORE ITEM
14.99 USD
Complete research report for one additional item.
BEST VALUE
5 – ITEM BUNDLE
$49 USD
Five complete research reports.
Save $25.95
No subscription. No commitment.
Just send us the things you want researched.
One free report per customer. No credit card required.
We’re still developing this program. Tell us you’re interested, and we’ll let you know when it’s ready.
Ready to Find Out What Your Stuff Is Worth?
Send us a few photos. We’ll research your item and help you understand how to sell it.
Your first report is FREE.
One free report per customer. No credit card required.
Questions? We’re here to help.
Not sure whether your item is a good fit?
Have a question about Worth and Sold?
Know It Sell It provides research-based resale estimates and selling guidance using the photographs, information and available market evidence supplied or identified during research. Our reports are not professional appraisals or authentications, and we do not guarantee a particular selling price or time to sell.
© 2026 Know It. Sell It.