Finding something you love online is easy. Remembering to check if the price changed is harder. Most shoppers have a version of the same system. A screenshot in the camera roll. A product page left open in Safari. A cart saved for later. A note with a link. A retailer wishlist that only works on one site. That can work for a day or two. It does not work well over time. If you are trying to track price drops on clothing, the problem is not just remembering what you liked. It i