I wouldn't invest a ton. I've only gone through maybe 2 sets of clippers in 12 years using them every 2-3 weeks...and I get the $30 dollar wal mart ones. I have pretty thick hair too. Just go slow when you use it and oil the moving parts occasionally.
"...it's the quiet cool...it's for someone who's been through the struggle and come out on the other side smelling like money and pussy."
"put her in the taxi, put her number in the trash can"