DSCR loans are based off of down payment, credit score and either actual or market rents so it helps to supercharge an investor's real estate goals and net worth.

. $150 cash flow on any rental especially a triplex is dangerzone imo. 1 month of vacancy of 1 unit could destroy a years worth of financial gains.  

This requires a dedicated effort sourcing and analyzing hundreds of deals to find the one or two worth pursuing.  

If you’re thinking of branching out, cities like Austin or San Antonio are worth considering, but staying local has its perks too.

However, a good real estate accountant is worth what you pay them because they will save you time and money. 

It's not worth hiring a lawyer but as you suggested, small claims court may be an option IF you hired them in your personal capacity OR if your jurisdiction allows LLC owners to go to small claims and represent the LLC in court (many, most?

They mentioned having two mortgages on the property worth about $400,000 in total.

I can't speak too much to the market on the Westside, but as far as affordability on the West Coast Spokane is worth looking into.

Given your comments "A rent increase of almost 40% is unconscionable" and "Also, SCI paid more than what this park is worth" I am forced to conclude that you have inside knowledge of the parks financial operations.

It is now paid for, is worth triple my purchase price, and provides about $60K a year in rents.