You put in where you are going after you land in Thailand. You can basically put anything on there as there are no controls of that little note and you (or your hotel) has to register you staying wherever you're staying every time you move.
being correct isn't important anymore. It's all about being the loudest and most aggressive. That's how you win an argument and die at a young age believing you're right 🥳
all of those fees added up, the baht kept getting stronger for some reason and the headache of having to renew visas and not knowing what the immigration officer would decide each time has definitely not been pleasant.
When I came here on a tourist visa, doing exactly what you are planning (except it's was 89 days), I bought a flexible ticket out within 60 days and as soon as I got past immigration in Suvarnabhumi I just cancelled my flight and went to immigration on day 55 to extend my visa 30 more days, getting a new ticket lut of the country before I applied.