The frequency of your publishing schedule should be dictated by your niche, audience, and the length of each episode. You need to provide the best possible experience for your listeners and make sure they keep coming back for more. For example, if your episodes are only 15 minutes long, you may want to publish a daily podcast. If your episodes are longer (60 minutes or more), you can get away with a weekly podcast. Ultimately, it depends on your industry, topics, and audience base.