Forget the slim .. it's none! 🤷‍♂️

Paul, you can apply for either non O based on retirement or based on having a Thai wife. The retirement one requires double the funds the Thai wife does, 800k vs 400k but the retirement one requires less paperwork. I suggest you go to your local IO and get the requirements handout for both options and pick the one that suits you better. I easily qualify for the retirement option but I've always chosen to use the Thai wife option because that suits me better.

You won't be getting a Visa on arrival, you will get a visa exempt stamp, currently 60 days, but likely to go back to 30 days sometime soon, regardless which you get, it is extendable by 30 days at the IO for 1900 baht.

@Tony ******

... you obviously aren't up to date with how the system works now but let us know how that works out for you, I'm betting it won't!

@Peter *********

... I just went to CM IO on Thursday and no bedroom photos required.

@Mark ********

... that's definitely not required at Chiang Mai IO.

I just print on to normal A4 paper, not a problem, always done it that way and just did it on Thursday but that was at Chiang Mai IO.

@Paul ******

... not true, landscape or portrait is fine. I've always had a mixture of both and just did it again on Thursday. I also just print with normal colour printer onto standard A4 paper.

Currently you can stop doing your 90 day report when,

1. You are here for less than 90 days, ie. you leave the country.

2. You take your final journey up the wat chimney.

@Mark ******

... it's not that difficult, you just have to time everything right switching from the 90 day to the 1yr extension. I had 1yr multi entries for years doing a rotation schedule up until covid when it wasn't available to return to Thailand. I've been on the 1yr extension ever since. For sure it's not ideal and inconvenient but it's definitely doable and only needs to be done once per year. Just make sure you get a multi entry permit.