In the early days, the Thai Douyu Auction Network was dominated by ab.com, and all auctions used the US dollar settlement system. Most sellers support paypal payment. Regarding shipping back to the country, you need to find a Chinese shipper to help and pay a certain amount of shipping fees. Nowadays, most high-end players bid in special Facebook auction groups, and the quantity and quality of fish are more abundant.
It is not recommended to go to auction for the first time raising betta fish. Instead, start raising betta fish that are easy to raise and at a reasonable price, and participate in the fish industry by accumulating experience. The process from immaturity to reproduction and death.