Is it sufficient?

House hacking is cool but make sure your financing is lined up.I would take a guess and say that banks aren't your friend right now given your age and possible lack of sufficient w2 income. 

Easy choice I'll just hire it out."

I personally am not a fan of holding real estate within retirement account plans.Some of the issues are1) You need to have sufficient funds within the retirement account to cover unforeseen costs.I.E. what if you have a tenant turnover and the renovation work will cost $30,000 but you only have $10,000 cash in the retirement account?

Not all slow payers are created equal.It's your choice.

We are looking into some Michigan markets as well for the future, and I find Midland an interesting choice.

Fortunately, my wife's income is sufficient for us.) 

The trade off is that the funds are essentially off-limits until such time as you retire.A SDIRA is simply a means of investing differently and having the choice to diversify out of stocks and into something you know such as real estate.

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But they have knowledge that the landlord will present the check on the first so there may be some urgency in ensuring that the account has sufficient funds to make the payment.I see pros and cons.