Why not compile your content and make it into a product (ebook, course whatever) ? I periodically blog about iOS development, compiled few posts (and added add

Why not compile your content and make it into a product (ebook, course whatever) ? I periodically blog about iOS development, compiled few posts (and added additional chapters not available in the blog) into an ebook and sells them. Wouldn't say substantial money but I have earned $1k+ from selling a $29 ebook