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Be sure the guy honing it actually uses a straight razor or you will get back a razor with about 10 years wear on it.
The classifieds is a safer bet : Member Services - Straight Razor Place...

It's like buying a used car. You have to factor in some repair costs as well. Unlike a used car these razors will last a few lifetimes if cared for.

+1 Some work involved but buy both, keep them long enough & you'll realize you need both :)