getting bed and food, for free.
There is another system in place here in Australia, also in Japan and some european countries like Germany, Italy aso. WWOOF Australia Official Website
, just check out their website. We had many wwoofers on our farm, from all over the world.
No money is involved, that's why the ATO is not concerned. The youngest one was 18, the oldest 64 years of age. Some stayed for a few days, one girl from Japan stayed for four month and became a family member. Normally they help, don't use the word work, for 4 to 6 hours a day, 6 days a week, not seven. Get 3 meals a day and accommodation. Membership is about $ 60.00 annually, you will get a book where all the host families in the different australian Staat's are listed. All further arrangements are between you and the Host. Everything is possible, one pair who met each other at our place, got married recently.
Why not doing a bit of extra for a tank full of petrol, lot of things are happening in small units around the world, you would be in the middle of one. Despite the intensity of pure cultural exchange and possible language school. Worth while looking into.