Problem is that this house has been vacant for some time, and due to lack of temperature control and stagnant air, there is mold everywhere.

Home Depot sells interlocking 2x2 panels you can use to create a sub-floor with a small air gap underneath to let water flow. 

Air BnB that thing man.

I want to remodel it and add two apartments in usable space inside, as well as remodel an apartment I already have to use as an Air bnb (since another apartment in this building is doing so well as one).

12 rules for life by Jordan Peterson.

It's being replaced by a Benjamin .22 spring piston air rifle. 

@Gabrielle Simmons have a conversation with @Caleb Jordan.

I’ve never personally heard of concrete bags down the sewer line or chocolate sauce in the air vents level sabotage before but I’m sure it’s happened.

In NC, the following definition applies to common elements:"Common elements" means any real estate within a planned community owned or leased by the association, other than a lot.So  unless owned by the association and leased, then no they may not.Earlier in the by-laws, limited common elements are defined:"All decks, patios and balconies, utilities within each unit, furnaces and any air conditioning, appliances, unit windows and doors, unit floor coverings, all interior sheetrock and wall coverings, shall be deemed limited common elements."

It was a 2 story but we tore it apart for all new plumbing & heat/cold air return vents so it made it easier to run the wiring.