Today's question comes from Jeremy, who is concerned that the niche he has selected may be too small: springboard diving. How can he validate the size of this market? Also, how can he feel comfortable teaching, given that he is young? For more on idea validation, check out my forthcoming book at http://willitflybook.com. Do you have a question about testing your business idea? Record it at http://www.askpat.com Thanks to today's sponsor, AWeber. Your email list is your most valuable asset—get started today. Go to http://www.aweber.com/askpat. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.