Don't work any harder than you have to, use PEX and Shark Bite fittings. Make the connections where they are easiest for you to work at.
Sold the Motorhome, joined the fully retired gang. '07 Winnebago Journey 34H, ISB-02, MH2500
Toad - '08 Ford Taurus X, Blue Ox, Aventa
US Gear UBS