Wholesaling is putting a property under contract, assigning it to someone else to close, and then making a spread (money) for being the conduit.

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.

We will spread the word!

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.

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

The only ways the typical investor (defined as a middle-aged adult with 4-5 properties, generating around 60-75k annually) will generate similar yields in the current state is (1) taking advantage of senior debt (assumable debt/seller financing), in this you are improving bottom line NOI via the spread between active and par interest rates. (2) Value-add or flips (Higher risk and not typical) (3) Investing in developing areas that will see high amounts of rent growth over the coming decade due to population changes.

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.