However, do Not use Their title company, even though they say they will pay for the title insurance.

And pay off the heloc, Ideally in 90days or less. 

The difference between a condo/townhome is how is owned - condo you only own from the walls inside the HOA owns the remaining property including the grounds-driveways etc... - townhome you will own ( in your case ) 50% of the roof/siding/driveway/yard etc...

My buyer is willing to pay a few thousand over but I fear that I will be in a difficult position if they were to back out as I wouldn't have any other buyers that would be willing to purchase this contract.The agreement that I use is attached.

It's the "bougiest" of the mountains and attracts a high-end crowd—More wealthy families willing to pay for quality homes and less partiers.

I will pay back the loan via the refi funds. 

Don’t forget ROI includes debt pay down so it has to include the principle portion of the loan payment as ROI, I don’t see that listed?

You can pay for it with an FHA loan or a standard loan.

I know in Oregon there are limits on how much you can raise the rent regardless of how low the rent price is and you have to pay the tenant to leave if you are not renewing their lease.

However, I do believe that $15K and 50% of any net profits on and unknown number of deals is a steep price to pay, more especially when there are no leads included.