(And yes we are prepared for the unexpected).As for advice, I'm no expert at all, but staying persistent and give your 100% in whatever you start you finish.

Looking for a boiler expert to do a complete overview of a large 840,000 BTU (max output...around 640,000 average) boiler that services a 7unit building.

You should accept only accept certain forms of payment for the first payment which should be cash, certified cashiers check, or money order.  

So I swallowed the "that's a lot of money" fear, joined the PIG, and am focusing on multi-family passive investing for now.So I'm not an expert on SF. 

@Mylene Bel, The IRS publications state if you are a non-resident alien and have any US source income you are normally required to file a 1040NR, now there are some trade agreements with certain counties and other variables, but this is why I suggest a Tax expert who specializes in this type work. 

I need some expert advice from someone that can pulls comps directly from the MLS.

They did everything in house as the son was certified to do this.

It also gets you a bit of insurance from scamming contractors as each "draw" requires a certified inspector to sign off on the work and THEN the contractor gets paid.

If you are not moving to your market then pick anyone but become an expert in that market.

,A pre-occupancy walkthrough with an independent party (such as an attorney/notary) who will certify to the condition of the property and the occupancy status and also photograph the property on the date of occupancy is what you should do.