alt Hacker NewsUnfortunately camel^3 and others are easily gamed now by "on-page coupons" which keep the price the same or lower normally and can trick the price tracker into thinking it's a good deal when it's actually just the normal price.
This video has a good summary at the beginning: https://www.youtube.com/watch?v=-MsndlciGWA
Good info, I'm surprised that haven't figured out how to account for coupons. Seems very feasible, especially considering the army of people with extensions installed.