.: I would go HELOC for sure that would be best as others were saying the lower cost for the money changes between paying a higher rate for a personal line and typically personal lines they want a higher monthly charge as well independent from the interest rate.  

I personally would not invest in detroit as historically its not a appreciating market and for cash flow and I invest primarily for appreciation - I go off the location location location mantra. 

Be prepared to follow up multiple times, using different forms of communication—calls, emails, and if possible, in-person visits to their office.

You are going to send your wife to personally unclog that toilet.

The northland MAREI meeting and the main monthly meeting at MAREI have a minimal fee, or for $99 a year you can attend all of them for no extra charge - northland is in person, the main meeting is still online, both are great ways to connect and learn. 

One caveat to this strategy is that you can’t live in a property that your IRA owns, nor can you rent it out to anyone else who may be considered a disqualified person like your spouse or child.Feel free to connect with me and send me a direct message if you want to learn more!

Are you able to go there in person to build your network? 

So they price those homes at what a willing homeowner will pay for their personal residence.

Point noted about not being able to underwrite without seeing things in person.

@Micheal Singleton I have the perfect person you should connect with.