Here are some general pros and cons to consider when purchasing real estate in Fort Pierce South, Florida:

Pros:
- Affordable prices compared to other beach towns in Florida
- The town is located near beaches and waterways, making it an ideal location for water activities like boating and fishing
- Relatively low property taxes and cost of living compared to other areas in Florida
- A growing population and economy in the surrounding St. Lucie County

Cons:
- The town can be prone to hurricanes and flooding due to its location on the coast
- Limited amenities and entertainment options compared to larger cities in Florida
- Higher crime rates than the national average, though crime has been declining in recent years

It's important to note that these are general pros and cons and that individual property and neighborhood considerations should also be taken into account when deciding whether to purchase real estate in Fort Pierce South or any other location. You may want to work with a local real estate agent who is knowledgeable about the Fort Pierce South market and can provide more detailed insights based on your specific needs and priorities.