These guys take you in the morning and drive you back and forth for 2900 baht, in 23 they included a lunch on the way back, unsure if they still do that. But add them on line using the QR code I provided
How my wife did it. Was like hello me 'your name' invite my husband 'his name' to stay with me from the date he lands kind regards 'your name' and yes I included a photo of her passport along with the marriage certificate. She wrote it in Thai