if you've never driven a scooter before, don't start now unless you have a large area of soft ground you can practise on for at least several hours. It is as easy as it looks to go down the road, but to ride safely takes some years. and wear a helmet
i recently just filled out a stat dec saying i earned x amount, it was accepted by Aust Embassy Bkk, and my visa company says fine. I recommend go to a visa company, the handle all the bs, expensive, but worth it to me