I think there is definitely a couple strategies at play here for you and your family. 

What's your risk tolerance at this point, playing more aggressively or preservation?

That was a lot of fun, but if you’re looking for a place that suits you right away or planning to buy a home, having a bit of guidance can go a long way.

Yes, I'd be looking to invest in a MF home (most likely 2-4 units) for a reposition play.

You can track income and expenses consistently using software or spreadsheets.As you scale, if bookkeeping isn't fun, consider hiring a bookkeeper for a couple hundred bucks per month.

A prominent MLO in the northeast was recently charged and stripped of his license for playing this game with his borrowers.Also, everything is reviewed by underwriting.

I will definitely pay it forward as my experience grows in this fun journey! 

It is going to be roller-coaster of fun for sure.

I think knowing more numbers, heloc limit, plans and objectives for future goals all should play into "what is best".

Also something to consider is what is the appreciation play looking like?