What you do is just write up a special provision describing the percentage for the bird dog or buyer.

Then, we got over 3% who actually listed with us (percentage based off everyone who atleast got the first step). 

@Rich Ferradino HUD recently changed its policy so you now have to be within a certain percentage of the list price to get that offer.

You have to pay taxes at some point - you just get to choose when (and what percentage somewhat).  

I pay my PMs a salary plus a percentage of the profits.

In a private agreement she becomes a partner and takes payments based on profit percentage.

For me, my partner's percentage is based on what they contribute to the deal, and how each task/role/responsibility they execute is related to all these T/R/R's executed by every partner involved.

If it is high I would say keep making those $650 payments and use your capital in deals that can make you more than that interest rate percentage.   

Some will have restrictions as to total occupancy and percentage of POHs, while others are more flexible.

And you generally don't want to use rules or percentages - you at least want to take an educated guess at everything rather than just using "X%" for capex for every property regardless of the age, market it's in, etc.