What can I do to establish proof of residence before the end of the year when the new tax bill might be passed so that I could be grandfathered in under the current exemption laws?

This feels more like a gamble than an investment. ...but people are winnnniiiiinnnggg lol 

It's a nice thing when it happens, but it's not a methodology upon which you can readily launch your business.If  you have an established track record and are willing to take a small slice of the pie, you could probably attract private money willing to partner with you.  

Unfortunately they eventually outlawed charity gambling.

At 2X the speed, I get quite a few daily reminders to engage on the forums, and I am finally starting to notice some threads on which I could be of assistance.As for my goals and niche, I have been hunting for a 2-4 units to start house hacking and learning how to be a landlord while working full time and establishing systems that would allow for easy management of our next units.

I ended up contacting him afterwards and we established a good relationship.

Once we have the US LLC established you can start to purchase. 3) Does this Set me up with a bank account also and a business number.

Why ask this question if you have established criteria?  

I’d maybe get a second est just as a gut check, I usually get 2 estimates for things this size unless I’m working with someone I have an established/recurring relationship with and trust.  

Then, if you decide to set up an LLC, at least you will be able to establish one that is appropriate for your business.