I bought a Hero some fifteen years ago. You can lap the blades if you like, or buy very good replacements for like $15 or less. You should be able to make this

I bought a Hero some fifteen years ago. You can lap the blades if you like, or buy very good replacements for like $15 or less. You should be able to make this run for decades. The cord annoys me though, but cordless will definitely not last as long.