The 20 year amortization period gives you a lower payment while the five year balloon protects the lender from having their money tied up at a low rate.Finding a new lender is key. 

Just in case it crossed your mind --- my first name, Nhia is pronounced as "Knee" "Yeah" altogether (I get asked often).  

Nothing wrong with that.This may be a drastic solution, but it might be the way to go.You need two new tenants.Don't renew the lease (no incentive), and cash-for-keys (help them get that car out too).You're planning a full renovation, right?

@Tom HunterI can't help directly but if you put Fort Collins and other key words related to the area you are interested in more people will likely see it.

Fill in the foundation below.Check out the Start Here page http://www.biggerpockets.com/starthere Check out BiggerPockets Ultimate Beginner's Guide - A fantastic free book that walks through many of the key topics of real estate investing.Check out the free BiggerPockets Podcast - A weekly podcast with interviews and a ton of great advice.

If you do not, this sounds like a potentially very rough way to learn about them.To me the key phrase in your post is "they can't get a loan because of their credit score".

Like @Rick Pozosthe key is finding the deal!  

The key here is flexibility.

Estimates are another ball game altogether!

Best of luck,  networking and buyers are key for wholesaling.