I use the plastic disposable razors from Walmart . Use it until it stops cutting & then trow it away & get another from the package .
But it is your $$$$ ...............
I can literally buy 100 name brand blades for...8.95$
That's easily 300 shaves for...8.95$
Thats $0.029 per shave. No other razor cost-per-shave will touch that.
The initial investment of a razor handle is always gonna be more, but in the long run you're actually spending more than I am using plastic disposables.
Good news is I found a replacement head and comb for it, new, for only 9.95$, it's a merkur head, but upon reading itll fit the handle I already own.
As for whoever asked about good blades, I normally use Feather Yellow package blades, Shark Platinum blades, or Astra blades.
Occasionally I'll use derby blades.
Imo avoid anything Big Ben, generic (Walgreens, etc) or Dorco, as it always makes my face swiss cheese