This will diversify your investment with different streams of income ( 3 doors) and give good cash flow.

What I do know is that at the very least I will reach retirement with a nice stream of income beyond taking money out of a 401k, receiving social security, or receiving a pension. 

Smaller landlords will often spill their guts.Ask about how much deposit was returned, or kept.  

The market value of their properties crashed like every other property in Las Vegas but their income stream was unchanged.While data mining is critical to get the number of candidate properties down to a manageable size , you still need to go on-site and manually evaluate the property.

A taxable income stream is created, even though gains are deferred.

You have to give them a decent down payment to replace the income stream they have.I might look through 200 businesses to find only 2 or 3 I have interest in.

Been investing in small multis for 5 yrs in CT, 3 FT and I have needed large reserves and a diversity of income streams (stocks, spouse w-2) to help with fund our lifestyle.

On the other hand, if you need a camera that can provide live streaming or playback, then Ring's construction kit might be a good option for you.Link

If a tenant spills or drops something on the flooring it can be easily cleaned up and the smell can not soak up into the flooring.Ventilation could be an issue in hallways as well.

Keep good records of the rents so when you sell you can show the income stream.