To extend on the idea of starting a blog, you might actually try a minimum viable product type approach to this. Don't just build a blog, build a product page

To extend on the idea of starting a blog, you might actually try a minimum viable product type approach to this. Don't just build a blog, build a product page for it, put a price on it, and have a buy button. The buy button just says "This product is still in beta, but if you'd like to be on our beta list click here."