50% is really high so the two main options are to pay down your debt or increase your income.  

The first step is to reach agreement with the investor as to whether the investment is to be debt or equity. 

Other ideas to get some creative financing:(1) HELOCs on US property which you can deploy as you wish(2) Margin loans against stocks/bonds(3) Junior Debt or Preferred Equity on a crowd sourcing website - if the numbers are that compelling

Govt will socialize the home buying process resulting in lax lending criteria for those with high debt (student loans, credit card debt, auto debt) or possibly some sort of consolidating debt program for first time home buyers, that allows them to roll all their debt into a home.

I keep it simple and purposely avoid carrying debt or doing any investments that would trigger UBIT. 

Otherwise, the business debtor would not take his personal info like SS#. 

I'm conflicted on realizing equity through debt or selling. 

However, $100k is a pretty sweet amount of money to walk away with, provided you use it to decrease debt, or buy assets that will cash flow more than $300!

Are they debtors?

@John KelleyAre you looking to find private money to finance the property (debt) or are you looking for equity partners to help you provide the down payment etc.?