Watch collecting on the cheap.

I would like to start collecting watches, however, like every hobby, it could get quite expensive. Given my current economic status, I cannot afford to be dropping hundreds of dollars on a quality watch at a moments notice.I was thinking come spring/summer I could start hitting flea markets and estate sales to possibly find some vintage watches that people usually come across while cleaning or whatever, and don't know what they really have and will let it go for a few dollars.Does this sound rea