you can check e-Visa site to confirm (can do a draft application), but if I recall correctly they ask for entry date and flight and accommodations. I suppose it's a bit unclear, but most people seem to have taken the questions to mean possible/tentative plans.
Edit: no confirmation of flight booking. Just enter a flight #, which can be found easy enough.
totally agree, just saying for some that may provide them peace of mind. But I agree, this particular application is very straightforward and it seems ridiculous (to me) to need assistance with it.
probably didn't hear it. Likely got confused. Probably heard that some embassies advise that you intend to enter within 3 months of application. At least with e-Visa site, must provide tentative entry date, flight, location.
maybe in person? But many embassies are using the Thai e-Visa. Submit documents, pay the application fee, then they review and may request further documents . It's non-refundable. It's not a deposit. Many have been rejected for trivial reasons and minor errors (name spelt wrong after auto import after passport photo upload, incorrect passport expiry date, etc.) and have to pay again if they want to re-apply.