Have a look at Airalo eSIM website..

From memory they have an Asia wide eSIM available as well as eSIM for all those countries individually if you prefer

@Scott ********

That's interesting that you live near Portland Oregon..

I am Australian but lived and worked for around 2 years in Portland many years ago..

My daughter married an American and now lives in Lake Oswego so I have been back there many times over the years ...

It's a small world sometimes 😁

@Scott ********

You may even want to consider Cambodia as well..

Predominantly Buddhist culture same as Thailand..

I honestly don't know but I am guessing thier vehicle import regulations are far more relaxed than Thailand because they import all their vehicles simply because they don't have a vehicle manufacturing industry and they drive on the same side of the road as the USA

If you have never been there before then I suggest an extended trip and travel around the country and have a good look

Once you exit Thailand your 60 day excemption entry ends..(canceled)

When you return you get a new 60 day exemption entry.

@Bruce *****

From memory a passport style photo and 1900 Baht for the visa extension

Yes, it's advisable to extend if you are planning to stay over your 60 days and go a few days before the 60 days expires..

The extension is just added onto your initial 60 days anyway..

But some immigration offices get very busy so go soon and go early in the day

@SJ ******

I could fly to Thailand at a moments notice with only the clothes I am wearing and it wouldn't bother me at all.

I know I can easily get everything I need quite cheap in just a couple of hours

25 to 30 hours of bus travel..

Head to the nearest bus station would be my advice

@Bart *************

I can only offer my personal experiences and never had a problem after several trips to Cambodia including Phnom Penh, Siem Reap and Sihanoukville..

In fact after more than 30 trips through SE Asia in over 20+ years the only thing I ever lost was a phone once in Bangkok years ago which was completely my own fault anyway..

I would take far less notice of the reviews which tend to attract mostly people who have something to complain about and just focus on your own instincts and common sense.. 😁

@Bart *************

Sounds like you are being a little paranoid in my opinion..

I have been to Cambodia and Phnom Penh several times and never had any problems with theft ..

You just need to use some common sense and don't offer easy opportunities for pick pockets or leave your personal items laying around the same as you do anywhere you travel and especially in SE Asia..

Don't get very drunk or drugged and leave yourself as an easy target is also a good idea.

If you cannot manage basic things like that then perhaps Cambodia isn't the place for you.