The down side to this approach is what happened to me. You end up with a freezer bag full of soap and after shave samples that you will never use, you can't move on, or even PIF. On the other hand I have 7 or 8 medium U-Haul moving boxes full of soft and hard ware of shaving goods. Mostly matching soap and after shave sets with some times a matching EdT, cologne, or EdP.
I agree that is a downside; however, I have 15 samples boxed up and ready to PIF here probably in the next month or two after the Christmas season slows down. Maybe before then if I get some motivation. Any reason in particular you feel you can’t PIF them?