@Laurens ***
have a chat with your immigration officer….. let them know that you are going to be in and out of Thailand … and find out if you actually have to go in person…..
when I did my first EoS I asked if I had to go in person for the 1st 90 day report …. He looked at me and said … nar… do it online … it will be ok … and it was …. Pays to ask ….