You may have a podcast with one host a podcast with a co-host or other co-hosts

This depends on what you want

A podcast with many co-hosts with great knowledge on the topic will be popular than a podcast with an amateur host

Likewise, a Podcast led by one very good and professional host would be successful than the one that is run by amateur less knowledgeable co-hosts.

Make sure that the host or hosts of your podcast are interested in the podcast themes and topics participates in the Amazon Services LLC Associates Program and many other programs. These are affiliate advertising programs designed to provide a means for websites to earn advertising fees by advertising and linking to as well as other renowned marketplaces and or websites.