Ask her if everything is okay .Hear her out listen even if it’s irrational even if she’s a lunatic .don’t say much keep repeating” I understand your point” “I see what you mean  “ let her air out her grievance and see if some compromise can be made with her .

But I’ll include a link so you can check for yourself. https://www.toptenreviews.com/home/hvac/best-central-air-conditioning-units/amana-review/

In addition to the association allowance if you plan on doing Air BnB or short term vacation rentals don't forget that there is an additional Transient Accommodation Tax, bringing your total tax requirement to ~14%

He quickly moved to acquire a second SFH which he operates as an Air BnB.

The system in use had pvc pipes coming from the attic to provide air for each room...

Instead of heavily discounting place and not building reviews on Homeaway/VRBO and Air why not go ahead and knock out the upgrade now?

When talking cap-ex, new-ish roof, new water heater, new central air system.

When talking cap-ex, new-ish roof, new water heater, new central air system.

It's okay to be vulnerable about areas where you aren't an expert - good brokers will want to help you succeed and you're open-ness will be a breath of fresh air. 

I undertand the 50% Rule is there to cover vacancies and repairs, but just about everything in the property is new from the roof to the central air, and I don't foresee any major repairs for the foreseeable future.