So in my circumstance, as far as the RV is concerned, this is schedule C?
Yes. The RV is SCH C.
I saw this in an IRS publication not to long ago. But for the life of me, I can't find it now. SCH E is used for "real estate", be it commercial rental estate or residential real estate being rented out. You're not renting real estate. You're renting what I guess one would call "personal property". Most likely with the RV stuff you're going to have both material participation and active participation in the RV rental business.
