Who would you all recommend as a rockstar loan candidate to help me knock my first BRRRR deal out the park? 

Most responses here have been spot on:Non-Owner occupancy as a requirementPrivate capital partner would be your lender (in the case of raw, private money)Hard money lender would be you next best betRehab funding is accessibleI wouldn't recommend using your own money, since that's YOUR money.

You're in the right spot for connecting with other like-minded individuals!

They know how to spot fraud.

If LL and Tenant agreed that no cars would be parked out front, they are in violation of the lease.

It doesn't take long to learn how to spot a good deal.5.

I'd network and figure out the hot spots, the areas people are in

In my area, some of the nicer mobile home parks have homeowners associations that prohibit this similar to a condo community.

There is a huge parking lot next to the Cumberland building which is where it is located. 209 10th Ave S, Nashville, TN 37203  

However my real concern is you mentioned that your bills depend on their ability to pay as well which implies that you don't have sufficient cash reserves to handle financial hiccups without putting yourself and your family in a financial tight spot.