Since tax sales are such a small portion of their business and it is common if not rampant to have problems, it is easy to eliminate tax sales from your title business and eliminate a whole host of problems for a small percentage of your business.There are a couple things that you can do.

I'm in the military and half of my pay is tax free and when you add in depreciation from the property to our taxable income, it is in the lowest percentage.

If it is flipping, you could consider offering a percentage of the net profit. 

Your total return is the cap rate + appreciation (if any) if buying for cash.If using borrowed money I want my cap rate to be 3 percentage points or more above my cost of money.

Given that the commission percentage model is still the norm, will give you an indication of the success of these endeavors.

In percentages, you're injecting $6500 of $47,500 purchase, that's 13.5%.

DO you have a general percentage you work with? 

What is your monthly PITI and loan percentage rate?

If your looking to get a percentage return on your funds(like a bank does) and also get a split of the profits, sounds like your looking to double dip.

.-- Purchasing and renting power will decline.Have you ever calculated the Present Value of a loan when you increase the interest rate by just 1 percentage point?