Feel free to reach out if you want any advice.

I started to feel like it might be ok.  

We do not feel like we should have to pay for the 2nd plumber fixing the 1st plumbers mistakes.

If you want to discuss in more detail feel free to reach out. 

Why do you feel you need to pay off your primary house? 

Are they being honest with you or don't want to hurt your feelings? 

Having said all of that, as long as both parties agree to the terms then there should be no hurt feelings. 

I feel that Redlands is an up and growing city with lots of potentials and still has room for investors.I'm in the process of picking up a SFH with half  an acre lot.

Looking at those final loan numbers is obviously scary, but as you mentioned, I won't be the only one paying all that interest which makes the deal feel a lot better. 

To be accurate with comps you have to know the market intimately, go inside as many of the comps as possible: see, feel and smell them yourself and know how to adjust appropriately for many various things like appraisers do.