Set a max price on the comics and cards you want and we'll scan eBay every hour — the moment one drops to or under your price, we email you a link. No need to keep searching.
How matching works: eBay search is keyword-based, so a broad query like Amazing Spider-Man 300 can also pull in other #300 books, stickers, posters, and reader lots. The Comics/Cards toggle keeps results in the right department. For pinpoint accuracy, search the exact thing — add the grade or printing, e.g. Amazing Spider-Man 300 CGC 9.8 or newsstand — and on a saved watch, set its Search text to that so the price alerts track the right copy.