Try a different site. There are plenty of reasonable taxis or private cars taking you to your hotel pre booked and pre paid online. Less than $20usd depending on final destination.
Contact Cambodia embassy in Thailand via email. It will take a few days to get a reply but they will answer your questions. Thai embassy in Cambodia will reply as well quickly. I just emailed them and also contacted Cambodia embassy on FB messenger. Make questions simple and clear.
But do know you cannot get a rentry stamp from a covid visa.... Hopefully this helps
Did the visa process in PP take 3 days or was it ready the 8th?
Thx u for the detailed post. I'm on my way there this month and the sites do NOT mention health insurance as a requirement so I'm glad you've warned the public :)