I’m considering this one because it advertises help with tax structuring and LLC advice which is appealing to me.

I do not find your complain about getting on their marketing list fair.

I have a home in Flagstaff, AZ that is on 2.5 acres and backs up to undeveloped state land. 

Grandpa and Grandma take five acres on the back forty and punch in a well and sewer (when it was cheap to do so), run some water and sewer lines with the old backhoe. 

Or maybe a favorite way to stay updated on local rules?

Did you just use all your cash on a new acquisition?

You can use it as a downpayment on a property over $450k and use leverage tax free.

She did so on her own after I gave her notice. 

My numbers on the deal were as follows:The Property was in Hales Corners. 

Quote from @Zach Howard: Quote from @Jonathan Greene: If you are looking at properties in the US only on Zillow, and not seeing them in person (I know you are in Hong Kong), this is just an effort in futility because you can't underwrite single-family or small multifamily deals only online.