Philadelphia investing long-term

[David K.]

Hello BP community. You are the best!

I am looking to buy+hold in Philly. 

Do you recommend to buy in vicinity of 100K in a so-so area where the profit margins are greater but the risks are bigger too or maybe move into the higher segment (say close to 150-200k) where it is probably more stable?

Also, as a starter, would you buy a multi-family or concentrate on the singles?

Thank you in advance for all your input!

David