Sounds perfectly suited to them
If Addi does well watering the veggies, you can send him over here on an exchange.
Dad is getting a bit old to water all the baskets and pots in the summer. I'll come to Oz and he can come here. Sadly this means he'll miss school, as our holidays are July-September, but Mum will read with him.
I'll take care of childcare and cooking in return.
Chores in a different place equal good fun (just look at camping)