Well I first thought you could make a loophole by starting a property management company based in DE that you run.

If you don't have a master level understanding of the laws, rules, and tenant loopholes of this area, you will be crushed.

A good one always stays up to date with new tax laws and loopholes for benefiting Real Estate investors. 

Does anyone have a FP that knows the laws, loopholes and how to apply them or better yet, advise you based on present and intended situations?

This is often referred to as the “STR loophole” (terrible name because it is not leveraging something that seems unintended in the laws).

They’re the loophole to Upstate NY rental laws.

Does anyone have any recommendations for a good CPA in the Middlesex/Union/Somerset County area who is knowledgeable with 1031 exchanges and any other tax loopholes that may be available?

Read a book called Loopholes of Real Estate. 

Every advanced nation uses the VAT to tax mega companies as it is the best method to combat tax loopholes.

I want to know, is there loopholes on RE through owning a business that would keep you from paying taxes at all on a flip or does that only pertain to rental properties, or none of the above?