Totally understood.   

I might get 5 to 10 totally unqualified applicants before I get a good one.  

ya those are totally open ended questions your going to have to figure it out from here on your own or with someone else chiming in..

At the moment with 3 rentals (6 total units), I have one account and a credit card associated with it.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

Is it possible to keep my land loan out of it to keep the total cost low?

And last but not least, I would absolutely and totally avoid HOA-based properties.

Learn about the Net Operating Income (NOI) and Capitalization Rate (Cap Rate)—these are essential to analyzing the potential profitability of a property.Return on Investment (ROI): There are different ways to calculate ROI in real estate, such as looking at your total return after a sale or assessing your rental income versus initial investment.

It could provide more cash flow but your leverage would still be less due to the total value of that property compared to the 4plex3) Is there an easy way to understand what price range I should stick to in my area, and should I focus on the best market or focus on the best price for properties? 

I'm wondering if anyone has had experience with a similar situation to mine and or has any advice.I'm looking to buy a triplex as well as a single family home that is on one parcel, so 4 total units.