You could also consider CoLiving/Rent By The Room(RBTR)/Single Room Occupancy(SRO)/Padsplit.

.)- Average days on market- Absorption rate- Historical data on rents and sale prices in the area- Population growth- Main economic drivers (industries, individual companies, etc.)- Crime stats... if you know specific zip codes/submarkets that you'd like to target, the best data will come from local precincts. - and more..I'd recommend remaining active not only here on BiggerPockets, but in other valuable RE investment networks that you can find - i.e. local meetups (meetup.com, eventbrite, BP local events). 

When tenants stay for ten years, it's usually because their rent is well below market rates.

Note, I am not looking for a syndicate to BRRR or rent of some sort.Experience: I have personally bought an old home on a 8,000 sq ft lot, rezoned it to two 4,000 sq ft lots with a family member.

I rent out a 2 unit property in baltimore county.

A rent-to-own type situation and also a sublet/ property arbitrage. 

@Michael Darten  Most property management agreements have the monthly PM fees based upon a percentage of rents collected.  

Getting rid of pitbulls, breaking up illegal activity, evicting nonpaying tenants, renovating to the studs so we can get higher rents.

It’s my first time renting my home.

Currently the building runs well, good tenants who are below market rent but there is harmony and dependable cash flow.