No debt is absolutely wonderful.

The subfloor main level was unusable and It was sight unseen....total gut job $100k rehab.

Researching the Brrrrr strategy and wondering why the first purchase loan is through a Hard Money Lender, relative, or personal cash and not a conventional loan? 

Im looking at about 40k on a HELOC and im wondering if I have too pay the monthly even if I havent used the HELOC.

While that's possible in a series LLC, you start making the accountant's job quite difficult and it may make sense to have separate traditional LLCs.

I am wondering if anyone has any insights on how I might get involved with real estate while still studying in school.

At first I'll be doing it part time as I have a full time job. 

His response was “Lol, it’s not worth 450k”.I started wondering if the Miami market had plummeted overnight and no one had told me.I looked up the comps and my evaluation is the property would sell for well over 500k.

Working a 9-5 job with very little return in a 401k and Roth IRA and having to work until I'm dead is not a life I want to lead.

Your job is to determine if the risk is worth it.If you are are just thinking out loud that you may want to sell in 5 years, given your own statements that it is making great cashflow for 5 years, then who cares?