As said above it could be cheaper- but not for most of us here; I for one have spent more on shaving equipment this
past month than some one using cart-n-goo would spend in 5 years.
If you got a $150 starter set with a razor, strop and hone that's equal to about 48 (or so) fusion blades. That's a years supply. If you were to use that same razor and not require any more shaving stuff you would start saving money after 1 year of using a straight..
Do to RAD, SAD, BAD, HAD and STRAD it is hard to stick with just a basic set.