@Rene Smith The management fee is usually a percentage of the gross collected rent, but you’ll also find rental property managers who charge a monthly flat fee.You can also check this link from one BP blogpost : https://www.biggerpockets.com/...

@Diego Velasco we have seen flat rent growth and even a very slight rent rate decrease in limited areas right downtown, however rents are staying strong in most areas of the city and continuing to increase in the suburbs/ greater metro area.

I have seen a lump sum like $25k flat fee and additional 1%.

If you ever do open a wall for plumbing repairs, it is always a great idea to leave an easy access panel where you can quickly pop open the panel to make any future needed repairs. 

Needle nosed pliers and a small flat head screwdriver.  

First, a house that old will NEVER have a flat floor, so you need to live/minimize the worst. 

I suppose we could hook up a portable generator to the panel to test wiring, but does anyone have any experience with this kind of situation and suggestions? 

To put in into perspective the First HML offered a 10% flat rate within 4 months due at refi time, 12% after the 4th month, and according to them no other fees. 

Good news is there's room in the electrical panel for new breakers.

You will charge a flat rate off on your contract with the investor.