I would buy a starter kit RCBS, Lee ect. make them. That will be cheaper than buying all of it seperate you will get everything you need except a tumbler and dies.

Minimum you need to decap and clean is a press dies and a tumbler. For the 7.62 you will also need a lube pad and case lube. If you buy carbide dies for 9mm and .45 you don't need to lube them. The die that decaps them also resizes them.