Once you have the visa it’s irrelevant what port of entry you use to enter Thailand, whether by air land or sea, or the route you used to get here.

30 days or however long your entry stamp is valid until. Whichever is the shorter.

@Koin *****

where?

If the overstay is less than 24 hours then they will usually waive the 500 baht fee, but you’ll get a stamp in the passport saying so.

The visa is valid for 5 years from issue date. You can use it at any time during that period.

@Jared ******

For the moment yes. No idea when or if it will change.

@Cliff ********

If the embassy or consulate is using the evisa system then there is absolutely no option to do the transaction “in person”. Those embassies and consulates no longer allow walk in applications.

Depending on the embassy or consulate it’s either a walk in application or via online only. There is no choosing which way you’d prefer.

Not sure on this one. Probably embassy specific in any case.

Usually for getting in country visas and extensions if they allow a joint account then the funds must be double, because they see the funds as half yours and half the other holders.

I haven’t seen any posts from others that have tried this so probably best to contact the embassy you’re going to use and ask.

The ETA has been postponed. It may happen next year. It may not.