The space is most appropriate for a couple with 1-3 children, 3 single adults, or even a couple with a grandparent or nanny and a kid or 2.From what I'm reading, the law protects families with kids from discrimination, but can I get in trouble for doing the reverse and allowing (and potentially advertising) a higher occupancy rate if people have babies and children than if all occupants are adults? 

Does interest rate play a role?

Crunch the numbers - Carefully calculate potential cash flow, ROI, and cap rate.

Can you please let me know how commercial property mortgages differ for a residential property mortgages and if there would be a substantial difference in rates?

finding properties on Zillow that you never see in person, putting 25% down and hoping people you've never met handle everything for you... not a great plan.and yes, you will need a long time horizon for a portfolio to actually generate cash flow buying at todays prices and rates - 10+ years. 

Msg me if you have questions.No syndications right now.Keep in mind, when lending, that not all of your money will be earning interest all the time so your actual rate of return will vary. 

Interest rates on HELOCs are typically more than a mortgage, but if you think about the blended interest rate, you are likely paying less for HELOC + old mortgage than you would for a new mortgage.

That, coupled with interest rates being so high, make it hard to find a house that will cashflow right off the bat.

He would charge a double digit interest rate.

We are very interested, but what is a fair rate?