Use domains to find your next business idea
BuildOnDomains is a curated list of expired exact-match .com domains currently at auction. Domains that make the list have clear business models to suit solo founders or flippers.
This guy owns onions.com
This neat app is quickly becoming a daily visit for me... great stuff Leslie 👏🙏
9:22 PM · May 1, 2026 · 7,115 Inventory from industry giants
Try The Demo
Fully interactive demo — click around
Make informed decisions
Every listing has Google Trends data so you can gauge search interest before bidding.
Niche Trend
"tiny home rental"
Niche Trend
"electrical upgrades"
Know what to build
Spencer won pastureraisedbeef.com at auction and turned it into a directory.
“Seriously great product. Was overwhelmed trying to find “good” expiring domain names straight on the registrars, and your tool was exactly what I was looking for.”
Save hours of hunting
We curate business-ready domains daily, so a quick scan replaces the grind.
“You can easily spend hours daily browsing domain auctions and still miss the best ones. BuildOnDomains by Leslie is a nice curation of business-ready domains with new domains added every day.”
Flip it for a profit
Fred bought MilitaryAntiques.com for $691 and sold it for $19,000.
Pricing
Try everything free for 7 days — the full product, no limits. Go Paid to keep going.
Monthly
Yearly
Save 25%
Frequently Asked Questions
Anyone looking for a side project idea or domain investors looking for generic, exact-match domains.
When someone doesn't renew a domain name, it goes back up for auction. These can sometimes great domains names that match the criteria listed above. You bid on them through the auction platform.
You could. We scan over 300k expiring domains every day. Most are junk. We sift through the full list daily so you only see the ones that we believe are worth looking at.
Generic, descriptive .com domains where the name tells you what you could sell. Names like sleepmasks.com or yachtrepairs.com that people might actually search for in Google.
We pull from GoDaddy, Network Solutions (SnapNames & NameJet), Namecheap and DropCatch.
No. We find the domains and you bid on the ones you like through the auction sites.
Every day. We pull from various expiring auctions and filter thousands down to the best ones.
Same access, different billing. Monthly is $10/month. Annual is $90.
Not ready to commit? Stay in the loop.
Get 3 live domains every week direct to your inbox.