Keep in mind anyone can watch a few You Tube videos and think they know enough to teach others. 

I would check out the YouTube channels:https://www.youtube.com/@BreakIntoCREhttps://www.youtube.com/@tacticareshttps://www.youtube.com/@adventuresincre

About to go down the Youtube rabbit hole... 

You are making an arbitrage already by 1 to 2%.But then, if you are using a bank to get that line of credit, and use the loan to invest, your interests are deductible.You then reinvest that money that will provide enough cash flow to pay the interest and continues to grow also.I would suggest that you check @Thomas Rutkowski website and Youtube channel You can use a Whole Life or an Index Universal Life Insurance for this strategy.

I watched the youtube video for Davidson county and gathered it's more than me notifying the neighbor next door. 

not in real life just from listening to different multis owners on you tube and various fb investment groupsDo you go to real estate investor meetups?

Don't get caught up in the YouTube-era, get-rich-quick nonsense.

I mean look at the videos this own site pushes on youtube.

I've done tons of reading and watching videos on Youtube that give very in depth information so I do feel comfortable tackling this deal, but would love some advice as I go through the steps or just someone to come back to for next steps mentorship. 

You can find a lot of information about Milwaukee neighborhoods on YouTube.