Yes, you can make money but first, you need to build an audience. You can also make money with product sales, affiliate marketing and sponsorships but prior to building audience. The key to monetize podcast is selling sponsorships. You can use increment method to sell these slots as 5, 10, and 20. Just make sure that the slots are filled. Another way to make money is take part in affiliate programs. You can earn commission by driving sales of other companies by mentioning/linking their ads to show notes.