This has a few advantages. First, doobs can optimize his schedule. If he is being gangbanged by a trio of 250 pound RIG PIGS on Tuesday, he can work a lighter schedule on Wednesday to give his pale body time to recover. Second, doobs builds intelligence about his customers. He can see how many times you've scheduled him in the past, how rough you like it, and how well you tip. Third, because he uses an app that only truckers use, he ensures that 99% of his customers are freight-haulin' pros. That's important because for truckers truck stop fucking is just about unleashing your pent up sexual energy, it's cut and dry, it's commoditized even. That's not true of the other people you meet on the road. For bikers, for vagrants, for smugglers, truck stop sex can be about power and they make much tougher customers.

Contrast with Peterman. Peterman doesn't use any apps. He just stands at the entrance to the truck stop bent over, grunting as he exposes his BOIHOLE to anyone passing by. In addition to attracting only the roughest and least sophisticated truckers who haven't planned ahead (and they tend to tip poorly), he is routinely brutalized by biker gangs, traveling salesmen, and other non-truckers who see him as a once in a lifetime conquest instead of standard commercial company.

Just another reason that peterman is lucky to have ETH, because he's going to burn out on the lots very soon.

(http://www.autoadmit.com/thread.php?thread_id=3821953&forum_id=2#34868518)