Many of my clients and vendors are located here so I need to live in the area until I create an online retail focused business. 

Lots online, just google loan amortization/payment calculator

If you are on the fence even their free info online and YouTube channel could likely help change the trajectory of your career in development. 

I read an article online that even if you register your LLC out of state, you will still need to register the LLC at your local state as Foreign LLC (and you end up paying fees for both states).  

It also includes 3 Online On Demand Home Study Courses. 1) Rich Rewards in Notes (Performing Notes) 2) Big Money From Bad Debt (Non-Performing Notes) 3) Nothing Down Deal Architect (Buying and Selling on Terms).

(I've done main social media platforms,MLS,all online listing services, open houses, following up with all realtors that show...). 

I recently found an investment property online and reached out to the listing agent directly. 

Anytime I thought I found a killer deal online I was almost always dissatisfied with the condition when I actually inspected the place . it’s only a good deal if you don’t have to dump a train load of money in it to get it where it’s decent 

Whoever is negotiating the short sale has to reach a negotiated pay off with the creditor....which may include the seller making some deal to partially pay the balance After closing to get the judgment released from the property.

There is an interplay of local taxes and US taxes, and often it is complicated by "treaties" which are agreements between two countries that set special rules just for those two countries.I would not rely on some generic online advice in your situation.