What is the Cost of Full-Time Living on the Road in an RV? Surprisingly it’s a lot more than we expected. Here we outline our expenses and costs for life on the road full time in our Motorhome. Everyone has a different experience with full time travel across North America but one things for sure: We’re all trying to live the dream while saving money. Hope this information will help you plan a realistic budget for your RV travels. If you’re not an RV’er don’t worry, just remove the RV and Smart Car expenses and replace with your form of travel, no matter what if you’re traveling across North America this just might help you plan for the unknown.