@Brie Schmidt Awesome, so to see if I'm understanding correctly, I can put down how much rental income I'm projected to receive from that duplex in order to strengthen my approval limit from the conventional lender?

Ironically, you are not offending them but strengthening the relationship with them.

Tenant leaves, take a breath, strengthen your lease for next time and be better for having dealt with it!

I haven't had trouble getting offers accepted (there are other ways to strengthen an offer) and I have used inspection findings to renegotiate to the tune of tens of thousands so I'm glad I had them done. 

An area that I want to strengthen before I start speaking with sellers is my negotiation techniques.

The city of Boulder was pricing many buyers out of market, and knew that this market - a 20min commute to Boulder - would continue to strengthen as higher income Boulder buyers continued to drive demand here.

If anything, it would strengthen me to learn what to n what not to do.

Previous failures have made me hesitant, but I really would like to strengthen my knowledge and try again.

Yes, this will costs you a few hundreds dollars, but will strengthen your position, in my opinion.  

You may get a better picture of your market by running your version of collected information and the published reports of past activity to strengthen your ability to spot trends and to compare your ongoing results with reality so you can adjust your formula.