Merchant Archive

Hey for some reason I can't put my vendors, or furniture in other peoples houses even when they give me all the access rights. It just says you dont have permission to access that container does anyone else have this problem? I also have a problem gaining xp I don't sell anything so whats the best way to gain merchant xp. I heard by just having a vendor that works. Is mining for materials profitable, or having wind/solar generator? Please help thanks

Bugged