My W2 works me until the night and doesn't pay me well or high enough. 

'well it depends'.

This is verified based on the good schools, department stores opening up (Costco, Target etc.) as well as verified investment from Jerry Jones (Dallas Cowboys owner) and the city to grow the population.

It's similar to another park I've done well with the last year.

Perform this research by using the rent comp tool on BiggerPockets as well as FB marketplace, Zillow, Craigslist, etc Also for those 15% of units that are “at market”.

I'm a GC as well and did the math, the Heloc would save considerable interest because it would average on 33% of the balance borrowed at any one time (and thats assuming constant deal flow).  

Whie DOS lender risk may or may not be high, being ininsured is... well, enjoy your 'asset protection'.

There is tax reduction and appreciation to consider as well. 

Quote from @Charles Perkins: Quote from @Natalie Kolodij: Quote from @Charles Perkins: I have an attached ADU unit in my personal residence as well as a business office/ business storage area in my home. 

I lived well below my means, worked a full time job for years while doing this on the side, persisted when others did not... and now I am enjoying the fruits of my labor.