Real world cost of owning a class c - ouch!

I would say you just did not use it enough. Last year was a bit heavier then most but I had 260 days in the motorhome. I was out 30 days in January, three weeks in the end of feb beginning of March. A couple weeks in April and just returned fro 30 days on the road. So I am at 95 days this year so far. I guess if you used it more it would work out cheaper. I value the info and did the same calculation once myself and decided to either use it more or sell it.