What is the cost of a 1-year extension for a retirement O visa at Jomtien Immigration, and are there additional fees for multiple incomes?

The cost for a 1-year extension of a retirement O visa at Jomtien Immigration is generally 1,900 baht if the financial requirements are met. If you require a multi re-entry permit, it costs an additional 3,800 baht. If you need to use an agent to assist with the financial evidence, expect further fees: approximately 15,000 baht for a single entry or 19,500 baht for a multi-entry visa.