But both motorhomes and travel trailers with slides are subject to mechanical and electrical issues. RV slide-out repairs cost from $500 to $5,000 and having one go bad on the road while extended can carry additional costs to have a service technician come to you.

Owners who regularly use their RV or motorhome may expect a lifespan of around 200,000 miles. That being said, you could increase your RV or motorhome's lifespan up to 300,000 miles, on average, as long as the driving conditions are not unduly arduous and you maintain it in good condition.