Can I just add the motorhome to my auto policy?
Some carriers allow a towable on an auto policy in a limited way, and a motorhome generally needs its own. Either way an auto form has no concept of the contents, the appliances or the awnings, which is where most RV claims actually sit.
Are my belongings inside it covered?
Only under an RV policy with personal effects cover, or in limited circumstances under a homeowners policy away from the home. An auto policy covers the vehicle rather than a household’s possessions in it.
I live in it several months a year. Does that matter?
Yes, and considerably. Extended or full-time occupancy is underwritten separately, and a recreational policy may not respond if the vehicle is effectively a residence. Tell us how it is actually used.