Everything KyDan said.
And, once you get the hang of winterizing it shouldn't take more than 25-30 minutes and a couple gallons of antifreeze that will set you back $10. All in all, an inexpensive, easy process that shouldn't give you hesitations of heading out when you want to.
2016 Flagstaff 8529IKBS Diamond Package 5th Wheel-Goodyear Endurance Tires
2017 Ford F-Series SCREW 4x4 - Factory Puck B&W Companion
TST Tire Monitor w/Repeater - Sinemate 3500w Gen.
Days Camped: '18=51 ☼ '19=58 ☼ '20=110 ☼ '21=94