What are the requirements for applying for a marriage visa in Thailand?

The user is preparing to apply for a marriage visa in Thailand and has organized the necessary paperwork, including multiple copies of each document, photos, a hand-drawn map, and proof of 400,000 Baht in the bank. There are various community comments discussing the requirements, including the need for a neighbor to accompany them to the office, the importance of bank statements, and inquiries about the map used for the address.