Every payment you make will pay interest and bring that balance down a little so at any time you can find the unpaid principal balance (if the mortgagee paid on time) on an amortization table or if you are snazzy with a financial calculator OR I'm sure there are online calculators you could use or you can set up a spreadsheet.

First, from my read of the original post, you don't bring the necessary experience to the table to do this deal in a straightforward way so you will be feeling your way around in the dark and most likely this will result in failure.

Camile C.You might be able to get a 100% loan to cost loan, but you likely can't do it without at least HAVING some cash.You'll have to paint the picture of how you or your partners can come to the table for any future capital needs.  

As a contractor with 30 years experience, I would say, to other investors you bring a lot of "Worth" to the table and "Styles" well that's easy, it's what you do!

And even if you do, you're leaving a big chunk of profit on the table.

I/We leave alot of $$$$$ on the table when we buy property.  

We agreed his contribution would be in part financial and to be responsible for taking lead on coordinating & executing the remodeling/renovation work required to flip properties.When we first discussed getting into business together, we attempted to weigh our % split based on the contributions that were being brought to the table.

Piketty, famed French academic and author of "Capital in the Twenty-First Century" also spoke to this effect.

The good thing about a partner is that they can add value with the experience and resources they bring to the table.

Bringing sweat equity to the table might be worth your time at the front end of your investing career, but eventually your time will be worth more than what you can save by doing the work yourself.