The  hallmark of scammers is advance fees, but I'd also be worried about giving them your personal info and SS#.As a physician, I'd bet you can get a decent line/loan from any number of reputable lenders.

With what numbers you have there, if you are looking to BRRR then I would bet you wont make much unless you park a lot of cash into it and are good with cashing out your rehab money. 

Private lenders would be your best bet...but your play on the rental would be a cash-out re-fi more than likely...I really don't like the concept of assigning debt to your holdings just to buy more properties...your one rental paid off entirely will cash flow more than the next 5 you acquire with debt. 

That's going to be your best bet. 

Likely, they accrue and are released at sale.Your best bet for calculating how much money you will make above the preferred return is based on the projections offered during the due diligence period.

Depending on cost, the third option might be my best bet.  

I think Bagley is a safe bet for flipping as end values are moving.How are you enjoying the Detroit market.

A hard money loan is probably your best bet. 

I'm willing to bet that your flooring contractor is charging per sq. foot which means he makes more money by doing it the easy way.I'll be doing a flooring job soon and the only place I will be putting the flooring underneath anything is in the bathroom where it will go under the toilet and vanity only because it would be virtually impossible to install the vinyl planks in the small spaces between them and the walls and the tub. 

Best bet is to talk to an attorney.