We found the heated hose much easier than the tape. But with either you still need to insulate both ends and the hose bib at the park. We used mainly electric heaters (ceramic with thermostat) but on really cold nights be sure to run the camper heater some for the under the floor hoses and such.
Scott and Liz - Southern NM
2012 Wildcat Sterling 32RL - w/level up (best option ever)
2007 Chevy 2500HD 4dr short bed Duramax w/allison
Reese Fifth Airborne air ride king pin coupler with Sidewinder