Originally Posted by tt7
I have yet to do one of these tickets but my understanding is that you can just keep flying until you're out of miles i.e., you don't have to worry about rules against backtracking etc. There are rules about visiting the same city multiple times (you can only stop once and transit twice).
Yup, that's pretty much "the rules"-- pretty flexible (especially if you are creative) But also-- importantly-- you cannot transit or stopover in your origination City at all.