I know anything to do with subdividing can be difficult, I would look into the process and costs of that to make sure you have the reserve funds.

Then I moved to Enschede where I got my Master's degree in Business Information Technology at Twente University.

Several FNMA restrictions apply plus the current lender may have their own internal guidelines. 1) How difficult is it to obtain a Supplemental? 

The platform should have real estate people dealing with these sorts of issues and not solely lawyers or people that come from a technology or venture capital background.  

The difficulty is in finding the duplexes, though, and for us, since we're just starting out, getting the money for the down payment.

The difficulty with a blind pool is having investors trust you with their funds without knowing the specific properties and the projected returns.

Which leads me to ask this technology related question. 

People are telling me that the market in EP is very slow and I might have difficulty finding a seller.

You see it a lot in old buildings that are remodeled due to the difficulty in adding chases and the desire to leave the structure exposed for aesthetics.

I then performed cash-out refinances to pay off the HELOC loans and lock the properties into a low fixed rate mortgage.The difficulty was, in my own personal experience, doing cash-out refinances is more expensive and the rates are much higher than conventional financing.