Some of his principles are helpful (10x thinking big) but hes a lot sizzle without the steak. 

Would doing this basically double the lender fees since I would essentially be taking out two mortgages? 

Currently you’re essentially a peewee football kid asking the coach how to run circles around the professional defense. 

You'll never make money if you don't follow these principles.

This is useless unless the investor has a foundation in or has first been educated as to real estate principles, real estate law and real estate finance.

When the property sells the investor gets paid back the principle first and you split profits from the sale 50/50. 

You are essentially a second lien position lender. 

The strategy you're referring to could work in principle, but there are a few important considerations.

Real estate professionals are essential in helping navigate this major milestone, providing much-needed guidance throughout the transaction.

Many lenders generally have a 1-year lookback window where things will change as soon as its been 12 full months without a mortgage late (then will essentially no longer be a penalty besides any effect on FICO score)