Thanks for all the feedback, the general consensus is a $250-350 flat pet fee and optional pet rent.

Not only are these properties tough to manage but rent growth is generally flat and your exit strategies are limited.

At one point I had crews from Abilene Tx. to Palm Beach Fl at the same time.

You go any place with the prevalence of freezing weather, boiler systems, flat roofs, etc, and you should expect those numbers to increase.Thus, I'd say that $4,200 - $4,500 is the absolute low side of things, which happens in places with great weather, low taxes, and low insurance costs. 

@Brandon Sturgill Roofstock gets a flat fee from the buyers (mine was $500 and that's it), and I'm sure they get a cut from the sellers, but I don't know how much.

Your letter might get "accidentally" brushed into the garbage can in 10 seconds flat depending on the mood of the person who reads it.You'll catch more flies with honey than vinegar...I would be neutral, calm, and objective -- state the facts only and use "please" a lot.

I am looking at a 29 unit apartment building (brick/flat roof) that is worth $2.2M. 

My broker charges a flat fee per month ($55) and a fixed fee per transaction ($200 or $500 depending on the price of the property). 

I flip several single family and two flats each year.

help bought mixed use need maine contractors who service oxford hills area. asap... discount heat oil delivery cheaper than dead river, plumber hvac guy to install new boiler, insulation guy for flat roof, etc