I am getting my license so I can be more educated in real estate, get access to MLS, and be able to see properties quickly.I thought I should look for a Broker who is an investor so he/she could help guide me as I expand in the future. 

I want to make sure the deal makes sense now, because I have no idea where the future is heading.

So I am starting to look at my massive amounts of school debt and trying to plan for my future.

I will definitely be implementing them in the future.

Let them know the new owner will contact them for future rent payment.

That doesn't look like pending economic disaster to me, but who knows what the future holds.I am interested to hear what others have to say.

just in case to have in the future if they ever wanted to start investing in real estate

Then they sell their future payments at a discount to fix their problems.  

Secondly, at what threshold is DTI a concern when planning for a future home purchase for myself and potential wife to be?

I am looking to make a sizable SEP IRA contribution to reduce my tax liability, but I don't want to hurt my ability to borrow in the future by not making enough income.