Ripleys, and beileve it or not, they have dual pricing. Even on the website, all you have to do is change the language.
I will not go there, but I wonder if I bought a ticket on the Thai version on the website, what would happen if I showed up? Could be interesting.
I wrote to the HQ in the US and got an answer. So basically they are ok with “local differences”
I always vote with my feet when I see inflated or unfair prices.