The property at the end of the road is going to have a lot to do with whether vehicle requirement impacts your bookings

Uninvited guests get a limo ride in a black and white vehicle.

With that said, real estate is widely recognized as one of the best vehicles to generate wealth.  

I would be very careful about leveraging your primary home in a peak market to dive into an investment vehicle you have no experience with.

I was once a busy, corporate IT professional and wanted to build a path to Financial Independence and knew REI was my vehicle to do so.

Many folks with campers, boats, trailers or extra vehicles do not need to have a heated or enclosed storage area for their toys. 

If they are you will still be able to inherit the properties but it's going to take longer to get things properly thought the court system and such.Next get with your attorney and see what vehicle will be best to move the assets into for you to make money, share ownerships, attain loans etc.

I had them picked them up, kept their vehicle at the bottom of the driveway for the night, and they were grateful for that and I saved myself a 4K reservation for 30 mins of work.

Wait until the rent money runs out, then have her vehicle towed or whatever your lease/law permits. 

Your "why"  is the gasoline that fuels your vehicle.