It takes all of five minutes to complete and that's enough to turn folk off coming here... seriously? Imagine the uproar it will cause if Vietnam decide to introduce a similar system as many other countries have or are doing!
You apply for an e-visa by going to the Thai Embassy website, creating an account and applying. You can save your application for up to 14 days giving you plenty time to get everything together.
I, (name), will be acting as host and sponsor for my husband (name), during his stay in Thailand (enter dates). (Name) will be staying at my residence located at (address).
Kind regards
(Signed)
(Name)
(Contact Phone)
I wrote letter in English and had her sign and write her name in Thai.