We also own our vehicles.

They moved from the east coast to the west and their vehicle was packed full.

It's worth comparing that to other investment vehicles.

This might include travel expenses to inspect collateral, maybe vehicle expenses if you have some local notes, office expenses like internet, home office etc.

If a person is over 50 years old, are long term rentals still a good vehicle for investment?

They just loose their vehicle if they are lucky. she new their names and out comes, very specific stories so that aint speculation but true its not the Yucatan. 

LTR is as close as passive as you're going to get in residential real estate; STR is a hospitality business, so you shouldn't even think of it as real estate (the house is just the vehicle). 

This is especially useful for very busy professionals that would like to find a investment vehicle to park their funds on a passive basis.

Facebook marketplace, Craigslist, MLS, direct mail campaigns, and door knocking are all the vehicles to find these. 

Your vehicles in personal property trusts.