tax ID& incorporate?

[N/A N/A]

I have a question, by the way im going to try flipping properties just have'nt gotton started.
My question is I live in massachusettes Im going to be flipping property in florida am I supposed to get a tax id number in MA or Fla?
Should I incorporate into a business and if so which state do I file that in also what kind? Sole proprietor, LLC,Co?
Any help would be greatly appreciated