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
i wrote everything it does^^
i'll add more features when i find time
if you are confused how to sell:
toggle the red button and click on stuff in your inventory
