K, so I am total n00b when it comes to anything on the pavement.

I'm planing on building up a
SUPER CHEAP fixie or SS conversion in the near future. The problem is I only have a cassette hub so I can either make that cassette hub fixed...or go SS.
I know welding the cassette hub has been covered in the forum and will not work because of the different metals, but what about JB weld? More-so, where would be the best places to place the JB weld?
And don't worry, I will be running a front brake and a very low gearing.
edit: No Surly Fixxer either.