St. Ann, Missouri is a small city located in St. Louis County, with a population of approximately 13,000 people. Here are some advantages and disadvantages of purchasing real estate in this city:

Advantages:
1. Affordable Real Estate: St. Ann has a lower cost of living and a median home price that is lower than the national average, making it an attractive option for people looking to purchase real estate at a lower price point.

2. Access to Amenities: St. Ann offers easy access to many amenities and attractions, such as parks, restaurants, and shopping centers.

3. Proximity to St. Louis: St. Ann is located within the St. Louis metropolitan area, giving residents easy access to all that the city has to offer, including a vibrant downtown, numerous cultural institutions, and major sports teams.

Disadvantages:

1. Crime: St. Ann has a higher crime rate than the national average, which may make some people hesitant to purchase real estate in the area.

2. Limited Job Opportunities: While St. Ann does have a number of employers in the area, the job market may be more limited than in other areas, which could impact the ability of residents to find employment.

3. Maintenance Costs: As with any older city, property maintenance costs within the city of St. Ann may be higher due to older infrastructure and occasional wear and tear, which could impact the cost of owning a property in the area.

It is important to conduct more research to gain a more comprehensive understanding of the area before making a final decision on purchasing real estate in this city.