We did borrow $20k on this deal to not spread ourselves too thin since we are just starting out and do not have a lot of liquid capital right now.

Because than that Brokerage brand can spread those cost's out over the big pool thus mitigating those cost's down. 

It's true you get a tax deduction for your mortgage, but you also pay taxes on whatever else you decide to do with that money.I would list all of your known investment opportunities, what you think the after tax returns would be, and a risk level 1-5.If paying the mortgage is a clear standout on that list on a risk/reward basis, I would spread out the $60k over a period of time and apply it to principal.You might have other goals like cashflow or reducing risk which might weight towards paydown also.

Keep them coming!

By utilizing OPM, you can widen your portfolio, spreading risk across multiple properties rather than being tied to just one.

I am a nurse by trade and have been reading books and consuming a lot of media about investing, but am wondering if a coach could help me find better deals and avoid preventable mistakes.

It involves overlaying numerous spreads.

I found the spreads on the fix and flip projects were only 50k - 70k because the initial purchase was high. 

We are spreading the net wide, as well as going deep into the markets that we have presence. 

Whether it's the interest rate spread, extensions, terms, or amount of stock needed, we can work something out that fits their needs.I've learned that the balancing test is important.