Buying mixed bags

I never liked buying mixed bags in games, with one purchase having several different purposes at the same time. For example the WoW charity pets, where half of the money spent went to charity, to me always felt like either I was paying double for the pet, or I was giving only half for charity. But the worst offender in selling mixed bags must be Kickstarter. If you give money for a game on Kickstarter, what exactly is it for? Are you pre-ordering a game that hasn't been made yet? Are you donati

World of Warkraft...