Everything you’d check before you buy. Already in the room.
Your Baseling
Your own AI guy on every page. He reads it, finds a better price, and watches the restock, before you ask.
Rooms
When other shoppers are on the page, they're in it with you, calling out where they got it and what to dodge.
The whole internet, in the room
Reddit, X, Bluesky, and Trustpilot for this exact page, one tap from the room.
The Score
A live read on whether a price or a listing is actually legit, weighted by the whole room.
Annotations
Highlight anything. Attach a note, a flag, or a price check for the next person on the page.
Never miss a drop
Sold out? Baseling monitors every store and pings you the second it restocks.
Welcome to CollectorRoom.
Collecting is social.
Browsing isn't.
Hunt grails together.
See what other collectors are watching. Chat live while prices move. Find your people and your next grail.
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Coming Soon
IRL Stickers
With IRL Stickers every person, landmark,
coffee shop, lamppost, statue, or bus also has
a Basement to chat in. Stick them anywhere!
Everything you might want to know about CollectorRoom
CollectorRoom is Basement reframed for collectors. Basement is a multiplayer browser where every webpage becomes a live chat room. On collector marketplaces like TCGplayer, eBay, PWCC, Goldin, and COMC, you see who else is looking at the same listing in real time and can chat while prices move.