Worse thing I ever did was with a trailer. Reinserted hitch in receiver, hooked up WDH, hooked up sway bar, hooked up electrical. Put jack all the way up. Walked around to unhook power cord and check that nothing was left. Drove off to dump. Made it a long way before BOOM. I forgot to put the pin in the receiver and it finally pulled out. Tore up electric jack. Dinged the back of the truck tailgate. Had to get the trailer back on the hitch now without the jack with campers everywhere onlooking (remember the RV movie!). I'm back to a motorhome again!