Here are some advantages and disadvantages of buying property in Johnston, Iowa:

Advantages:
- Johnston is a growing city with a strong economy and low unemployment rate, which can make it a good place to invest in property.
- The city has a strong school district and a low crime rate, making it an attractive location for families.
- There are many recreational opportunities in Johnston, including parks, trails, and sports facilities, which can make it a desirable place to live.
- Johnston is located near Des Moines, the capital city of Iowa, which offers many amenities, including shopping, dining, and cultural events.

Disadvantages:
- As a growing city, property values in Johnston may be higher than in some neighboring areas, which could make it harder to find affordable properties.
- The climate in Iowa can be harsh, with cold winters and hot summers, which may not be appealing to everyone.
- Iowa is located in the middle of the United States, which means that it may not be as convenient for travel as some other locations.
- The city may not have as many amenities as larger cities, which could make it less appealing to people who are looking for a wide range of options in terms of shopping, dining, and entertainment.

These are just a few factors to consider when deciding whether to buy property in Johnston, Iowa. It's important to do thorough research and consider your own priorities and needs when making a decision about where to buy property.