Should I fly to Seoul to get double eyelid surgery? Please give me some advice.

I'm considering flying to Seoul for double eyelid surgery. I've seen many women in Vietnam go there and the results seem natural, but I'm not sure if it's really worth it considering the cost of airfare, hotel, and recovery time. I'm worried that it could be done in Vietnam, but I've heard that in Korea they have many different techniques that are different from what I see here.

The main issue is that I'm not sure which procedure to choose – I've read about several different methods, from cutting to other techniques, but I don't understand the differences. Have any of you experienced going to Seoul for this procedure? Did you feel it was worth the effort of traveling so far? Or should I research more options in Vietnam first?

Also, I'm a little worried about finding a doctor abroad – how can I know if they're reputable without relying on advertisements? Does anyone have any advice? I would be very grateful!