Just launched: https://www.letscompass.com.
Basically, while you shop it will search the web and notify you if the products can be found for cheaper on another site.
I would love to build a community aspect around this extension where users can help one another shop or finds deals. I've been trying to brainstorm what that could look like, any ideas? What frustrates you with shopping that the masses could help with?
Hey, nice product! Where do you get all the alternative offers from?
Thanks! Right now, we hit large site APIs (Amazon, eBay, Walmart, BestBuy). But we also have a built-in network effect, where we can identify products on pages, along with price, and add them to our offers.