What those rewards and perks can actually be varies widely, and is often quite different in New Zealand and Australia to the rest of the world.
For the latest podcast, I talked to Jose George, general manager for Canstar New Zealand.
For the interview, listen to the podcast here.
• If you have a question about this podcast, or a question you'd like answered in the next one, come and talk to me about it. I'm on Facebook here, Instagram here, and Twitter here.
• Listen to the full interview on the Cooking the Books podcast. You can subscribe on iHeartRadio, Apple Podcasts, or Spotify.