Be aware of that syndications where you are a limited partner do not count.

You said a “little” money, so bear in mind if you transfer that into a self directed account the annual contribution limits are $7k plus $1000 catch up over 50 so it may take a while to get it to a point where you have enough to invest in real estate.  

You are trying to say "Do not put up additional $80K but instead put in MM @ 5.3% ($4240/yr) therefore limiting my annual loss to $1760 instead of $6000/yr. 

Does anyone list particular debt limits (like, "no debt in excess of $1000 that isn't in a payment plan") as part of their screening criteria?

If your cash-flow is tied up in stocks, that limits your ability to expand your portfolio.

@Ryan Larsen what @Nicholas L. states is pretty true.Being a PM is NOT a high-paying, often not even a well-paying job.If you're set on that strategy, start calling up local large apartment complexes and asking if they are hiring.

Being these would be some of our first guests I'm just a little more apprehensive about setting things off on the right note - I don't need the neighbors upset by the first guests.

Common fees will include a set-up fee, a leasing fee for each turnover or a lease renewal fee, marking up maintenance, retaining late fees, and more.

 If you have an iPhone: Settings > Phone > Call Blocking & Identification > Silence Unknown Callers. 

If you're just starting out, learning your market and doing your own due diligence in the areas where you want to invest in helps which will set you apart from the competition.