Commercial use requires 'releases' - editorial use doesn't. Stock photos can be sold for commercial (eg, marketing) or editorial (ie, journalistic) use. You'll have more opportunities to make cash if your photos are available for both, but photos containing people or property (including branding and logos) need signed releases to be sold commercially.
So many people dream of writing a book, but never go through with it. Yet no matter what, I’m sure you have experience and value you could give through writing a book. By packaging your skills and knowledge into a downloadable eBook that helps people learn a skill, advance their careers, or start a businesses, you can change someone’s life and even make good money online.
I’ve learned so much with this course! KC Tan is an excellent instructor. He covers all the bases. Also, his facebook group and email list have both been a great value for me. I’ve made money using this method, and I’m hoping to start making even more by learning list building details in another of his courses that I just started. So glad I came across his courses. – Maya Brown