Are they flat fees or percentages? 

Your biggest variable is going to be prop tax, and it changes from street to street. 

This may be what a small percentage of experienced investors or introverts want, but it is not what most buyers want and it is certainly not in the best interest of the public.

I would suggest looking to bring in a partner and give them a percentage of equity for the $.Another option is to take profits from flips to grow or look to sell some of your rentals to grow as well.

So those fixed costs, like calling a plumber or replacing a fridge, are going to cost more, as a percentage of your rent, to handle.  

There is too man unknown variables with land entitlements that we do not want that liability for.

Are you aware that a percentage of rent on additional units of MF can be used as income to qualify for the loan? 

What dollar amount or percentage do you guys usually look for in fix/flip properties?

We chose these properties for cash flow opportunity and because they work nicely for house hacking because the unit you are occupying is a percentage of a smaller mortgage payment.  

Also remember, you can NOT identify more than a certain number of POTENTIAL replacement properties, and they have to be within a certain percentage of value of the old property, and you can’t file this identifying paper and then change your mind.