This test ensured that 75% of the total monthly rent for the building would cover the mortgage, taxes, and insurance on the property.For example, consider a three-family property generating $2,000 per floor, totaling $6,000 in rent.

Additionally, having your interior design business involved in a multi-use property could be a win-win, allowing you to both house your office and generate rental income from other units.The Indianapolis market is thriving for real estate investors, particularly in new build multifamily and duplex developments.

Properties with garages (especially those located near highways and main roads) can generate at least $400/month per garage space.

Or are cash generators.  

Then it is a win-win-win situation, investor wins because he does not have to go do a lot of research , invest smaller amounts, get a single K-1, sponsor wins because he can raise larger amounts from a single fund of funds entity and fund manager wins by generating income from the spread.

It also saves you the time from having to do the task so you can have time to do other things that generate a higher revenue / per hour.

Investment income can probably count as well but I'm guessing they would look at your last couple years taxes to see how much income it generates.

From what I've seen though it could be a great way to generate solid cashflow which could fuel an investment strategy. 

Yes, it's just a melding of 2 common things; Turn-Key and Seller Financing, both of which have been around for generations. 

How come more landlords and flippers aren't recording evictions and posting to YouTube to generate revenue?