Free shopping only lets you buy limestone and lumber, the other things are real currency so obviously they don't work.
Free shopping only works for those two things. If you try to pay silver coins for energy it just redirects you to the store.
You need to reset your skill tree to get the 130 skill points.
I like this mod! I wish it didn't have infinite gathering though. It helps to level up, but you don't get any resources from gathering, so its actually a hindrance.
Oh also since you can't gather, you can't clear resources so you can't build much.
