There's many other options in real estate such as syndication and note investing depending on your level of involvement. 

Regarding evictions, it depends on the time and resources you have available.

If they choose to dig in and fight, I watch them like a hawk and document every infraction until I have enough to get rid of them.

But the likelihood of success with that depends on the specific street.

If you can't, then notify the tenant that she will be charged if the visit is unnecessary.The tenant does not get to choose when the vendor shows up.

When I looked at prices recently they look like they've gone up quite a bit but I know they vary a lot depending on the neighborhood. 

Quote from @Jonathan Greene: Why did you choose Roofstock for a one-off investment property in the first place? 

It all depends on the state.

Henry the returns were 12 to 17% depending on amount invested and how long you locked up. the other thing that this fund invested in was  defunct brick and motor like radio shack  stien mart etc with the idea that they were going to turn those old name brands into  on line sales .

You generally would find that depending on what deals you have at the other end of the table best helps decide this answer.