we are from Canada and my application was done online through the Thai embassy in Ottawa. So I can only speak to that.
When I submitted my application they asked flights because it is a multiple entry. I submitted the flights except for the end of the 6 months. I also submitted a travel plan along with an explanation of why we did not get the last flights. I told them that at this time we are not sure where we are going, either Canada or leave a month earlier and go to Cuba.
I was concerned that they wouldn't accept that, but they did.
We are going to Thailand Oct 18 and plan to stay for 6 months minus a few days. I chose the MEV because I wanted no entry hassles. It was a easy online application process and I had to show flights leaving Thailand every 60 days. I didn't provide a flight leaving at the end of the 6 months, just an explanation that we have 2 choices of where we want to go, and would make that decision later. To tell the truth, I thought that might have been a problem, but it was approved.
thanks for the correction and the info. So are you saying just arrive without a visa? Or can I get it online ahead of time? Also will we need to have exit flights in order to get through customs?