Why not try further away squeeks, i sometimes travel 20+ miles away for a good days wage, my brother-in-law even further. he travels 30 to 45 mins up the A1 into a wealthier area, he's a trad cleaner & earns a cracking wage, he's steady away too.
IMO, for the majority of w/c'ers, you're better off using both methods, trad & wfp. this way you can please anybody & do any job, can't lose.
I'm glad of your honesty though, i think there are a few who over-hype wfp & just can't accept that it has downsides ( you know, the ones that told you you'd be a millionaire by now when you first went into this ) at the end of the day the custy is boss, if they want a trad cleaner they'll get one.
tony