I am interested in buy-and-hold real estate and would love to employ the BRRRR strategy down the line once I have enough contacts and capital to pull it off.  

In the last year, almost every building around me was bought and now high rises are being built around this purple line.

 - One interior unit will be 12,000 BTU for a large living room/kitchen space, and a smaller 9,000 BTU for the bedroom.the total system capacity has to be able to cool both inside units at the same time so 21,000 BTU or larger for the outside unit.The beauty of these is that they can be installed DIY (provided you get your 608 certification card), as long as the line sets don't need to be shortened or lengthened, as there is no brazing/welding involved, just connect the lines and purge air, etc.my dual zone costs comes in at around 2.6k to 2.8k for my 800sqft structure.

If you keep the fluctuation above your profit line then you are going to be looking at a range of IRRs that are all positive. 

I'll have the plumber (or handyman) coordinate with the tenant to come over for a more emergent situation like a main line clog or no hot water. 

Some people want you to go over the contract with them line by line.

My FAVORITE way to weed out potential deals from non deals is this line, early in the call:"Now [john], I'm sure you knew before you called me that I'm an investor, and have to make money when I purchase your property.

I am in line for a few tax deeds and certs and I’m building a knowledge bank of past experiences to clear ‘clouds’ before I move forward and also making connections in AL. 

It is a line of credit meaning you pay interest only on the balance.

@Lincoln Tudor this seems more along the lines of working with a title company first to get the documentation correct and then you can worry about the financing!