Do you have a basement or a crawlspace ? Either would likely make it easy to tap a spigot off the house lines for filling. If not, any exterior wall sink would be just as easy with a T then poke it though the outside wall.
Shark Bite fittings and valves/spigots literally snap in place once the pipe is cut.
Shark Bite fittings and valves/spigots literally snap in place once the pipe is cut.