Plus, taxing on social security becomes an issue if I do this later. 

The biggest issue I see is control of the thermostat.

My experience shows it cost way more than 5K in marketing per contract and The close ratio is less than 50% due to title issues or a seller changing their mind and/or being difficult ect.I believe it, it was just an example. 

Create a simple spreadsheet or written list to compare the features of each and identify the ones that align with your requirements.

Quote from @Julia Lyrberg: Hi Csingh, Sorry to hear about the tenant issues—that can definitely be a difficult experience.

There's a very good chance the issue(s) you face have already been discussed and answered.Ask questions in the appropriate forum.

Of course home owners have no issue just put a plug in your home .. 

Never had an issue in 5 years of this when tenants have moved out I just send my house cleaner in for a deep clean NO turn over costs other than that.

My key goal is to get educated as well as identify sponsors with a consistent track record and good operators who underwrote and have operated properties well.

Create a simple spreadsheet or written list to compare the features of each and identify the ones that align with your requirements.