We have money for down payment and I am a mortgage broker so we have a good grip on financing but what I need help is with getting her and I trained to do this correctly and picking our method to get these properties.

You will also need to stockpile cash.There are some methods to invest with low scores and no cash but they rarely succeed. 

Then after you hopefully do that, go find a good local PM company since your self screening methods seem bad.

I live in Southeast Michigan and I am interested in the BRR method. 

When used right, the BRRRR method can allow you to buy rentals at a discount because they need work, and refinance most of their money out because they added value through repairs.

If you're bound by income, you're likely going to have to wait until your self-employment income can be counted.You may want to look at the NACA purchase program. 

Unless you have a very fast method of paying it back you run a very heavy risk of the rate increasing to a place where it could harm you in the long run.Feel free to tag me if you have any questions.

This allows the individual to make  Traditional or Roth IRA contributions to their own IRAs based on their spouses’ income.Transfer/Direct Rollover From Another IRA or Former Employer PlanFunds from other IRA or former employer plans can be transferred to the self-directed IRA. 

For our next two flips (both under contract)-- advisable to use Hard Money or my old (separated from employer) 401k? 

One of the best ways to go as described by John Jackson in Tarrant County (Ft.Worth in Texas) who teaches this method for about 15 years and has developed a good sales contract that gets you paid before the product sales and he usually quotes the list price to the owner in a fairly nice area.He usually calls houses For Sale By Owner in decent areas.