When you finance through national lenders, in your experience, is a balloon a common requirement for commercial loans of this nature or is it possible to get a fixed rate for 30 years?  

There is a reason banks don't make loans on stocks.

I’d pay my 0% interest for a year credit card loans and 401k loans off asap then repeat.

Here’s a breakdown of the main ways investors fund their first deal while minimizing their own cash outlay:1.Private Money & Hard Money Loans– These lenders focus more on the deal than on your personal finances.

I recommend that you find a trusted or recommended Mortgage Loan Originator (MLO), who can give you options for property-based loans (mostly investment loans) and they don't use your taxes but the P&L of the property.

Let's say you borrow $100,000 to pay off your $50,000 IRA loan, $25,000 on credit cards, and keep $25,000 for finishing renovations.

With my situation of not being bankable, would DSCR loans still apply to me?

Also seems like a lot of MF sells occupied with tenants in place so you just have to comfortable with that and contracting up from and seeing inside after contracting.    1st step is to find a great lender and get pre-approved for a loan so you know what your budget is. 

I have two rental properties through the VA loan being military.

You said that you are applying for an FHA loan so it sounds as though you'd be living in one unit.