How much it costs to create and produce a podcast varies greatly amongst creators and their choices. It can be anywhere from $0 to $10,000. A plethora of free tools available for free allows you to start a podcast with no upfront cost.
And if you have a budget and want to invest in starting a podcast, you can opt for a studio or make one in your own home where you have sound-isolated walls and professional equipment that creates studio-level quality audio.