What are recommended gyms in Bangkok or Pattaya offering DTV packages with a money-back guarantee if my visa application is rejected?

Hi everyone,

I’m planning to apply for the DTV (Destination Thailand Visa) on my own soon. My plan is to do it through a Muay Thai course.

Could anyone recommend gym options in either Bangkok or Pattaya that offer official DTV packages (specifically 9 or 12 months) and provide a money-back guarantee if the visa gets rejected?

I'm a bit anxious about the whole process. Even though I easily meet the financial requirements ($500k THB) and everything should technically go smoothly, I’m still terrified of getting rejected. My biggest fear is paying for an expensive long-term course upfront and then getting stuck with the costs if the embassy says no.

Thanks in advance for your help!