yes you can enter with the 30 day visa exemption. They didn't ask for an onward flight at immigration. I have one but it's 60 days later, just like you :-)
That's what I did, I entered "Belgium" as current location and it got denied because they wanted a proof of residency, which I don't have, as I am residing in Canada. That's what they told me.
Hi Valerie. Fellow Canadian here. I did send my application to the embassy in Ottawa even though I was outside of Canada, they told me it was OK. It takes forever for them to process the application though (25 business days, currently), I didn't get it in time so I entered with a 30 day visa exemption and will ask for an extension while in Thailand. In BKK there were no questions asked at all. Good luck :)
I don't think this is accurate. I am Belgian-Canadian and as I was in Belgium I applied for a 60 day visa at the embassy in Brussels, it got denied and I had to start the process all over and apply at the embassy in Canada.