It could be either single family or multifamily.

I manage 350ish single family homes in Charlotte, NC.

Because intrastate (single state) offerings must still comply with that state’s securities laws, and because with the internet its difficult for offerings of any size to be limited to investors residing in a single state, the exemption for private placements is the exemption from registration most often used. 

Hey Joanne, you’re definitely onto something with room rentals.. it can be an excellent strategy for offsetting a hefty mortgage and, in some cases, bringing in higher total rent than a single lease.

If you are single or married with a small child, buying a duplex or 4plex should work well.  

I currently have a duplex in Milwaukee and am living in a single family home that I plan to turn into a SFH rental.

They have a bigger single family home and a tiny home on the property, but there close proximity and shared driveway present functional problems that are undesirable for guests. 

He believes that area where he will be buying the new homes is going to appreciate and attract more MTRenters, but now, the big difference is that he would now have 3 properties that can go up (or potentially down) in value, go up (or down) in rent, and three times as many vacancies to fill.My back of the napkin assessment is that for only a drop in $200 a month in cash flow, he would control a lot more assets with growth potential and as rents rise over the coming years, the combined rents will increase to a total more than the single rent.HOWEVER.

Each property type—whether a single-family home, duplex, triplex, or quad—has its own code.

Managing from afar can be done on single family homes with a few properties, but you'll still need a solid leasing agent and handyman which can sometimes be hard to find.