You can never buy Thailand elite after doing that. Seems like the overstay stamp might cause problems for other visas in future the way things are going
Another few weeks for them to make their minds up. Then they will come up with reforms that only help a small section of people. Then change their mind after 1 day
Unoriginal embassy letter and inadequate insurance. I wonder whether they've actually relaxed the rules or you just found an incompetent officer that doesn't understand the requirements or didn't check properly. Guess you'll find out on the 30th. Good luck