I have been reading about what you should expect for fuel mileage. I have noticed a steady drop in MPGs over the years. Like 15 years ago I took my 29.5 foot Coachmen on a long trip and got 9 mpg. Now...
When the cost of owning and operating a motorhome gets too much you get out of the game. Oil and Insurance companies are always going to win out in the end. You can complain about it or just say screw it and just enjoy your RV.