Shopping for class c, daily cost to operate?

When on a month long cross-country tours in our Class C's, we sometimes took a break and checked into a nice motel with pool for a change of venue. When traveling, eating quick "bloney" sandwiches and sodas in the rig at rest stops can get old, and stopping for chinese food, etc. at restaurants is a welcome break. The more you do this the more the extra expense. BTW, decent RV parks usually cost us nearly $40 a night, so we parked at truck stops and malls wherever safe and permitted for just a night's sleep. RV'ing usually appeals more to one spouse than the other, that should be taken into account when thinking about taking up the hobby/lifestyle.