Depending on where exactly the property is located they may have some different rules/laws in place.

Possible place to retire How did you find this deal and how did you negotiate it?

When you start to get into larger properties, it can begin to make sense. 

Start small, evaluate results, and adjust gradually.

Of course there are contingencies in place incase something goes wrong.

My goal is to rent it out to start generating some cash flow.I’m planning to remodel the kitchen soon, and once that’s done, I’d like to move out to make the apartment available for renters.

When I start to post, I don't see "furnished" anywhere as an option for listings.

I agree with @Murali Jesudoss, I had pulled back from investing when things got super crazy in the last year or so, but I believe things are stabilizing and deals will start to become more attractive. 

Specifically from the Caged AC Unit into the attic (concrete slab so no crawl space).I was thinking of just building a tall vertical box to place this into.  

If you only have one LLC and don’t need entity tracking, you could get a lower subscription and categorize your properties as ‘customers’, then units and tenants would be sub-customers.Simple Start would allow you to invoice your tenants (if desired through QBO) and produce basic reports.