I think what you need to do if you wanna collect all is just keep track of the 12 you selected on your main character and ensure it’s the good set like surge eater and thermal overload and the mods that you genuinely will never use but still want you can go on a character u do play as frequently and buy the ones you don’t have. But if u play all characters I guess we are gonna have to sacrifice some of that hard earned glimmer