Word of caution about using individual jacks. Unless operated together you run the risk of twisting the frame. The Lippert system is designed to provide equal pressure when leveling (front to back/side to side) to prevent any twisting of the frame.
2011 Chevy Silverado 3500HD LT Ext Cab 4x4 Duramax/Allison, 2016 Redwood 39MB, Disc Brakes, Mor/ryde IS, GY 17.5" H tires, 5.5K Onan, Dual ACs, auto level, auto sat dish, stacked washer/dryer, residential fridge, King sleep number. Michelle & Ann