Thoughts on a weird/unique way to empty holding tanks.

CA Traveler I get your point. What I was envisioning was about 20' of 3" hose. Lift that near the rv and walk the high point towards the pit toilet(that I could have used anyway but wanted to use my own bathroom, now I want to put what would have gone into the pit toilet a little at a time in all at once...:R) As you near the pit toilet the effluent will slump in the hose and an air gap will occur at the top of the hose allowing air to replace the stuff. I only expect a gallon or two per lift.