I call back Thailand by using vodaphone la ka so V8 card is the most cheapest right now ka. If I can find a place where I can user landline so I think I can find a lot cheaper way to call back home ka.
In Auckland you can try to ask for a job in any Thai takeaway or restuarant so you can make friends and I think you will know what to do next ka.
งานแพ็คเชอร์รี่ right now it's already close la ka. but you can find a job in a farm in Napier or Hasting na ka. I know many Thais are doning these jobs la ka.