How many times can I enter Thailand on a Tourist Exempt Visa from Australia in one year?

There is no official limit on the number of times you can enter Thailand on a Tourist Exempt Visa from Australia if entering by air. However, frequent entries can raise suspicions with immigration officials. While personal experiences vary, instances have been reported where travelers were questioned or denied entry after frequent visits. A general guideline is to not abuse the system, typically a suggested maximum is about six months of stays within a year, depending on how one enters the country. Considerations include the purpose of entry, the duration of stays, and potential flags on repeated entries. It's advised to switch to a different visa type if frequent visits are planned.