I agree that having to try different items ends up costing lots of money, but luckily, the high priced items can be resold. There are the collectors that keep everything that they buy, but I'm not one of those. I have a merkur HD, tubs of creams, and a brush that doesn't get used anymore. My wife keeps finding 'great smelling creams' to bring home, and I don't know how to tell her that my face likes soaps, so I have some creams that I don't use.now that I've settled on my general routine, the initial investment is going to pay off - especially if I sell off some of my gear
I primarily use a Feather DE, Dork blades, a synthetic brush and a puck of williams. I have the other 'better' stuff, but for some reason my face likes the cheap stuff.
Regardless, as long as I don't keep the stuff that I don't use 'for my collection', I save money.