Mods like this have been deprecated by rseding.. show your anger here: https://forums.factorio.com/viewtopic.php?f=28&t=85372&p=497019 https://forums.factorio.com/viewtopic.php?f=28&t=84880&p=496029
so, do you think it would be possible to have a tooltip saying how much money you would get when you sell an item ?
nope thats not possible