It felt reasonably if not underpriced to begin with and felt like I would lose an opportunity if I didn’t put in an offer for full asking price, they ended up being multiple offers the 1st day on the MLS, so I felt good about that decision.

If you get a loan it must be non-recourse and will require about 30-50% down.

If your 5th deal is good, you should be able to find funding outside the banking industry.

And honestly, I don't know if I would want to be super leveraged anyway).

Title is in the name of an LLC.

Additionally, I’ll have the ability to pull equity out in the future to keep expanding my portfolio.Given my growing real estate holdings, should I even worry about my Roth 401(k)?

I was just quoted 8% on my heloc, if that helps you at all with getting an idea on interest rates.  

We are working with our property manager getting everything ready to go- we are just a few weeks out from going live (fingers crossed).

I am in a hard debate whether I should LLC my properties before I get married.

You could get a loan from a local bank or private lender to fund it