The building's Property Manager is sympathetic to the owners at large, but says they can’t do anything until instructed by the Board, and they indicated the building’s lawyers would only respond to Board members.

They are on the market longer and are not going at asking prices but some people are still being very aggressive with their asking prices so it really isn't a great indicator.

1.25- is that a good indication of whether you a property is a good deal?

An 80% occupancy rate indicates low demand. 

Recently, my mother has indicated her wish to sell the family property where I grew up in Isabela, Puerto Rico.

I'm also seeing lots of homes for sale that were used as Airbnbs, so I'm wondering if that along with these numbers may indicate it's an overly saturated market, and if these are signs that maybe I should keep searching for a stronger market, or just a property that cash flows given the average annual revenue?

This is key to being successful.

Here are some indicators to help you assess a buyer's seriousness:Questions: Serious buyers will ask detailed questions about the property, such as maintenance costs, neighborhood amenities, and property taxesStrong Offer: If a buyer makes a strong offer quickly, it often indicates a high level of interest and intent to purchasePrivate Buyers: If approached by a private buyer, ensure they provide a Letter of Intent (LOI) and proof of funds.  

This unit has already been indicated by the city that it can be approved as a 3rd unit.

I don't currently have any investment properties, but will likely work with a turn-key property managment in the Memphis/Little Rock area.My goal is to build a good cash-flow portfolio to ease into retirement.