Books and other information products do not sell themselves. (toughnickel.com)
ebooks sell at a lower price point than other information products such as ecourses, which means you have to sell a lot to make money. (thebalancesmb.com)
And since successful people in major niches across the board remind us regularly in inspirational articles, videos and other information products, «If you fail to plan, plan to fail.» (fitwatch.com)