I think the misunderstanding occurred in the baggage weight? Is not sure whether to purchase tickets and luggage weight is included in the price of purchased add to 330 baht.
I think that was a mistake in the weight pocket to buy it. It is uncertain how to buy tickets already have taken a heavy bag included in the price. The purchase increased to 330 baht.
I think there was a misunderstanding in buying weight storage. Is sure to buy a ticket then there weight storage is included in the price, the purchase to add to the 330 baht.