I tend to make alerts for games in my wishlist. When I get a game, the alert persist and I need to find it myself on GGDeals to delete it.
This can be tedious and not necessary. I'd like alerts to auto-adjust /delete themselves after a wishlist scan to delete no longer wanted items. (Or a collection scan for owned items)
This remains optionnal for people that still want offers on games that they own, but for any mainstream user we don't need any other alert.