Though haven’t had pizza for 2 years, it’s just around the corner and I pick it up. Aussies earn award wages and tipping is usually kept to the minimum the change coins and the delivery is already charged on the purchase however, dating an American chick had a tragic consequences on my wallet in terms of tipping at restaurants, I still tip 10% of the cost of a meal, but I make sure that it goes to the tipping box rather than to the till.