Tangentially related: I moved to old fashioned razor blades a few months ago and have actually hurt myself less since then. Bonus: It cost like a fraction of the price and you don't look like a teenager when shaving :-P
I assume by "old fashioned" you mean a safety razor, not a straight razor. Safety razors are indeniably cheaper long term (although expect to pay $100 ish to get a good handle, brush, bowl, blades, and soap). You'll likely break even after ten years (assuming $1.50 cartridges Vs. 10c blades). You'll also likely receive a closer shave with a safety razor. That being said... I did the whole safety razor thing. It was f…
I use a $20 safety razor from Amazon. It works better than any cheap disposable with off the shelf gel or foam. I don't use a brush and I don't lather any differently than I did with a disposable.
The safety razor does not shave quite as close but that turns out to be a positive for me (especially in area's other than your face).