If you are still depending upon the barber or old fashioned razor you are in the same category with the man who climbs ten flight of stairs when there is an elevator in the building.

While there is many things we can gleam from this advertisement from May 1908 – one of which is the almost curious lack of contractions (“you are” instead of “you’re” in the small excerpt I copied above) – the two that stands out to me is the fact that a safety razor with a dozen blades set you back a mere 5 USD, and you could get combination sets for tens times that price.
Adjusting for a hundred and eleven years of inflation, that equals about 140 USD for a single razor with blades, and a whooping 1400 USD for the most expensive set…