Mmmm....impressive and very mature, aided by creative grammar and spelling. Disappointed, however, that you didn't use all caps...no doubt...you win the Internet for the day...< slow clap >One question. Where does the "purge water" go for the tankl...
You must be right. I've owned three campers two with tank water heaters and one with a tankless. I guess the tankless isn't working the way I experience it, so you're theoretical mode of operation trumps my experience.
The on-demand heater wastes no more water than a tank water heater if you get the correct model. You can get a tankless heater which has a "warm water" mode that keeps the water inside the heater at 105F. When the water flows the heater automatica...