Oh also inform bank of your stay and possible ATM use in Thailand check expiry on bank cards and license. Pension office and voting need to know update eye glasses before coming. After your here and get your phone number you will need to let bank know for there records for any large withdrawals inform inform bank frayd squad as they can stop payment if they think it is a scam.
Come on 60 day visa go to visa agent they will get you extra 30 days and extra 3 months then your 12 months visa open a bank account for you all in 1 month all you need is passport open wise account in NZ for money transfers. So easy but agent will need to keep your visa till completed so get a laminated copy take photo and make sure you have as many years on it also get international driver's license so you can easily get the a thai license for extra id.
If your coming on a one way ticket they might query you but you could buy a cheap throwaway ticket if your worried. Remember you can get a thirty day extension on top of the 60 days.