Yeah the real problem isn't scraping data, it's taking all that messy, inconsistent marketplace chaos and turning it into something a human can actually eyeball before dropping serious cash. Here's what I'd throw on the roadmap ASAP -- first, for legit sold-price intel, tap into auction house APIs like Sotheby's and Christie's for those ultra-premium ultra-luxury comps over 10k, or archived ebay completed listings if you can access them legally - ebay's marketplace Insights API is kind of a pain to integrate anyway and requires business seller status, second, build out some condition-grade decay modeling so people realize that a very good Birkin's gonna sit for 28 days while a pristine one moves in a week, which totally changes the math. That watchlist + alerting feature you mentioned is a game-changer - flip this from passive browsing like what deals are live right now? into active monitoring like hit me up when my target shows up. And monetization-wise, a tiered approach, Pro for watchlist alerts, Enterprise for API access, would fund your ongoing maintenance and let you keep scaling without burning out