in 3 years you can pay off any mortgage 500,000 or less for $1,500 bucks.. or in 5 years a $477,000 mortgage for $100..I am implementing something new for the real estate industry, primarily to mortgage holders & the rent to own industry, as a shorter-term approach to be mortgage free, without cost being an obstacle ..

A miscalculation can eat up your profits fast.Speed is Key – The longer you hold the property, the more you pay in interest, taxes, and utilities.

So many things wrong with all this.First don't pay for this.

While the deal is centered around wealth and asset management, real estate investors should be paying attention.

Got an equity line of credit and borrowed from it to pay cash for the property.

If this is what sub2 is, then why are people paying tens of thousands of dollars to learn this process?

You can probably try this yourself with a letter or maybe even a phone call.If that doesn't work pay an attorney $400 to write a letter. 

We pay the mortgage not the tenants!

This seems unlikely in the long run. you are forgetting that someone is paying down your principal for you so you need to take that into consideration. 

He pays seller's note ("outside" loan), and then the seller turns around and pays his loan ("inside" loan).