Is grab taxi safe in Thailand? Do you guys have any recommendations?

Heads up on getting a non "o" in Ho Chi Minh. Over the course of 2 days I was at the embassy a total of 5 minutes. There were no queues. He never questioned my documents. It was the easiest visa I've ever obtained. Just follow what their website requires and prepare. Bear in mind you have to pay in USD. Also I'm probably not allowed to talk about this here but you guys need to know to be really careful there. Never take out your wallet to pay a taxi, they're different to Thais. That's all I'll say.