Not me, but I had a friend who did it in the 1980s. He was handy with a concealed weapon, knife, and/or his fists, but he only lasted in the business about three weeks.
Spending the night on top of his tow rig surrounded by angry bear dogs while listening to the drunken mountain boys discussing what they were going to do with his body, and ducking the occaisional bullets fired over his head convinced him there were better methods to put food on the table... ... .....
True story. Joe
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White 2001 QuadCab 2500 Laramie SLT, HO 6-speed, 3. 54 limited slip, Mopar exhaust brake, towing/camper options, Rhino liner, Grover Air Horns (not yet installed), Un BOMBed (so far), DUAL AIR BAGS !!