Definitely worth paying a lawyer to take a look. They can be set up many ways and can be risky from your end.
43 max DTI come Jan. Yikes!
Google the town in Michgan and try to find a local savings and loan bank that does commercial loans. That's your best bet.
You can actually crunch the numbers yourself using Radian's website.Link to their PMI calc below:http://www.radian.biz/page?name=MIRateFinder#rateCalcResults
Might be tricky assuming you do not have US credit scores and income docs that can be easily translated and converted into USD.I would try an international lender like Citi or HSBC first.If that doesn't work you could get a "hard money" loan, but the terms won't be very favorable.