A sale, may or may not create taxable income depending on the basis of the property and whether they utilize 1031 exchange to roll proceeds into another property.In general, REITs are stable consistent dividend yielding investment instruments.

Borrower shall occupy, establish, and use the Property as Borrower’s principal residence within 60 days after the execution of this Security Instrument and shall continue to occupy the Property as Borrower’s principal residence for at least one year after the date of occupancy, unless Lender otherwise agrees in writing, which consent shall not be unreasonably withheld, or unless extenuating circumstances exist which are beyond Borrower’s control.Is this just boilerplate?

BP has been very instrumental in my education towards becoming a RE investor.

I want to one day be a big lender, funding deals and pursuing my career in music / speaking.

You want to minimize the chance of being without a chair if the music stops (and having to chase the market down to sell).If you don't have a lot of experience rehabbing, which it didn't sound like you do, then I'd say it's safer to stick to a smaller rehab.

A corporation whose primary revenue is from passive sources (rental properties, stocks, other investment instruments), is not eligible for the small corporation tax reduction and will pay income tax at the full corporate rate.  

Section 1411(c)(2) the tax applies to a passive activity under 469 or the business of trading financial instruments or commodities.

No music, no social media , no tv, I have canceled all distractions.

He handles our Cost Segregation Studies and has bee instrumental in our ability to achieve the portfolio size we currently have. 

If there is/are valid and recorded security instruments then sure, foreclose... if it makes sense.