Longer term condo contracts or monthly rate hotels are cheaper. In 2022 I obtained a non OA retirement visa in UK and set up viewings in advance of my Travel to Thailand. On arrival i took a hotel for 5 nights and then booked a condo ( after the viewings )....... for 6 months that was renewable. It was
*****
a month. Had 4 pools, 3 gymns, sauna gym and restaurant. Good luck and enjoy Hua Hin.