Search:

Maintaining your razor sharp is significantly easier than getting it there in the first place, but worry about this later.
Initially your edge may last you 20 shaves or 50, but it will improve as...

I'd suggest you get a strop with canvas component. Amazon usually has the illinois/fromm strops which are good and in the $30-$40 range, e.g. Amazon.com: Fromm Razor Strop 2 1/2" X 23": Health &...