@siracusa Make sure you use a bulk dishsoap dispenser that has a check valve right above the bottle. If this is missing, the hose will drain and need to be pumped all the way up each time, as opposed to always being ready to dispense. Not all dispenser kits have the check valve.
I have an embarrassing confession. Every time I hear the name @markgurman, with one of his breaking Apple rumors, I picture Mark Fuhrman from the OJ trial in my head. Specifically, this picture: