Low appreciation may make the RoI from these assets low over long term, though they will cash flow on day 1.

If you have a high personal income and can support the property if it needs cash, that helps, but is also not scaleable. 1.

How much income do you need, and how much do you want?

Lenders want to see two years of stable income before they loan money to you.

We have been working in the affordable housing space for some time, and this allowed us to partner with the local community and provide a housing solution they need as their city continues to expand with new jobs they are successfully bringing to town.

Also if you have a single-family house already sometimes loan underwriters don't approve you moving from a single-family to a multifamily.

I'm working with a company who owns a small, 19 unit, senior and low income apartment building.

if so, house hack in San Diego. 

Too many low income apartment buildings near by / vacant buildings. 

Times are different now and getting in with low money down heightens risk and isn't as easy.