Brake your project down to 10-12 parts and then concentrate on only one part at a time.

I'm concentrating on an area outside of the city where prices are much lower but rents are still fairly high.

These smaller multifamily dwellings are now often referred to as the missing middle.Atlanta's small multifamily, like many cities, are concentrated in the oldest neighborhoods. 

It is a healthier version of social media for me, that concentrates people with my shared interests. 

Thanks for the info @Cerwin Haynes, it will be great to talk to an agent/investor in the area.I'll start looking towards the West side of town too, I have been concentrating on the East for now.

Scale can help mitigate concentration risk, but not eliminate it.

Also, it is the middle of the school year, so families would be moving their kids to a new school mid year or college young adults are concentrating on finals for the semester and dont have time to make a move.

Most of your offers will be turned down as rediculous, the one out of twenty that is interested is the one you will need to concentrate on.

I like to concentrate my investments in buying and holding entry level B SFRs in A areas.

Here you'll meet the highest concentration of those that need money, those that lend, and some local brokers (if used in NY).