I just posted this in the Class A forum so might as well do it here, too.
We had our 2004 prepped for W/D. Ten years later we have not installed them.
We're full-timers so we carry everything with us. We have plenty of clothes to last two weeks. Yesterday I went to a laudramat and did two weeks worth in 1-1/2 hours. I would never be satisfied washing clothes every day. We're out there enjoying life. Also, we're rarely at RV parks with full hookups. Public parks and dry camping are our choice. The gray tank would fill up fast if we washed every day.
We wouldn't feel comfortable putting in a load of wash and then leaving to do something else hoping the washer didn't malfunction. It just seems like you'd be tied to that washer daily and constantly thinking about putting in more laundry. 1-1/2 hours every two weeks is the way to go for us.
To those that think you'd get "cooties" from laundramats, we have never encountered dirty equipment. 95% of the time there is an attendant working who wipes down the washers. Plus, washers wash and then rinse. Why would there be dirt left behind?