Yes tourist visa is 60 days and has to be applied for in your own country. Separately you need a Thailand Pass to enter the country. If you arrive at Thai immigration with just a Thailand Pass you'll get 30 days visa exempt (which can be extended by another 30 days at an immigration office for 1,900 baht).
Soneone else mentioned only 1 day hotel booking needed for the 60 day visa, and that was OK, same with no return/ongoing flight needed. Presume I will need 60 days if insurance to go with my visa, which I would need/want anyway. Thailand pass requires 30 days ins if you arrive 30 day visa exempt (I believe).
I have 3 months from approval to enter the country with the 60 day visa. As I may still move my flight back a bit, I didn't want to pay insurance/hotel until I am sure what I am doing.
No, I just booked a cancellable room for one night. I will probably arrange the COE through Royal Vacation to include 2 tests, insurance and airport pick up.
I will only arrange insurance when I apply for the COE (or whatever it's called now) and I presume that would need to be for 60 days along with the SHA+ requirements and a return flight. Luma quote 3,900 baht for 60 days. I didn't need to show a return flight, and just booked a room (which I can cancel) for the first night. The £30 fee is less than the 1,900 baht 30 day extension (only pennies difference I know), but 90 days in total is now an option.