There's always an element of subjectivity.I'm more concerned about your plans to report this deal.

What is the cheapest option to install some sort of heating system in the basement that is separate from the house (e.g., electrical)?

Hey Kyle, Most areas in Canada the expenses are paid directly by you the landlord, unless each individual unit has separate meters for hydro, water, and heat.

Thanks @Jonathan Klemm for the mention,@Christopher GrannenYou are allowed to pour a parking pad on your own lot, as long as it is accessed from the alley, Additionally, this typically does not require any form of building permit as long as the property is not located in a landmark district, or have any of the excluding elements as listed on the link below:"Exterior WorkNon-combustible sidewalks, patios, walkways, parking surfaces, and driveways that are not located in or on the public way, not more than 30 inches above adjacent grade, and not over any basement or story below."

I want a platform where I can log-on and view all the elements of my business.

When the dust settles I suspect North Carolina is going to do very well from those who've decided the heat, bugs and gators are a bit much.

Tenant A runs a plumbing and heating company and did some work on the garage himself.

I've seen electric heating elements go bad in 6 months, the gas controllers are different and not as good quality.

Those documents also define the Common elements  which the association is normally responsible for insuring and the Limited Common Elements (things like plumbing and HVAC piping, wiring, etc. that service more than one unit but not all) which could be the associations responsibility or yours if they are in your unit.3.

That experience will serve you well here in Atlanta as things continue to heat up.Since you will be flipping OOS, you will definitely want to build a solid team here in ATL.