@Mitchel Johnson Welcome to BP and I wish you the best in investing..Usually people start by going to local meetups and building a network of trusted people to get their feet wetHere is an examplehttps://www.meetup.com/find/?

Like @Russell Brazil said there are general things that need to be in place.One that stings a lot of people is the main entrance door.

I always remember that rockstars know rockstars, so find someone who is a mover and shaker - likely a meetup host - and then ask them who they know.The people doing 100 flips are super busy, so I've also found the best person to find is someone who is a step or two ahead of me...so maybe for you, that is someone doing 2-3 flips a year. 

Total number of people that would occupy the apartment5.)

Many people in consideration of #2, take steps to protect the assets so that Medicaid cannot take those assets like a home.

ThanksDan there are people who do "Gator" lending which is a guru course taught about this type of lending.

This is a great place to learn and to connect with people so take advantage of all the great resources.

People move away, property taxes increase but rents sag because of diminishing demand. 2.

Though, if your client base is nice retired people, it probably won't matter.  

People staying for 30-90 days are a completely different customers than someone in a years lease.