You can sell your ebooks through Amazon's Kindle program or Apple's iTunes Connect, which gives you access to a large majority of the digital-book reading market and the barriers for entry are incredibly low. You don't need to invest lots of money to make this happen, but you do need to invest lots of time, not only in writing the ebooks, but in marketing them as well.
7.Be Persistent: With tenacity and ingenuity, you can win against a more established competitor. Warren Buffett acquired the Nebraska Furniture Mart in 1983 because he liked the way its founder, Rose Blumkin, did business. A Russian immigrant, she built the mart from a pawnshop into the largest furniture store in North America. Her strategy was to undersell the big shots, and she was a merciless negotiator. To Warren Buffett, Rose embodied the unwavering courage that makes a winner out of an underdog.
22. Advertising – This is definitely the most old-school way of earning money with a blog. It’s also starting to become the least common way. You can sell advertising spots directly on your site or you can sign up with a company like Google AdSense or Media.net. Either way, you won’t see a whole lot of money from ads until your views are well into the thousands each day.
Robert said he did an average of 4-6 of these gigs per year for a while depending on his schedule and the work involved. The best part is, he charged a flat rate that usually worked out to around $100 per hour. And remember, this was pay he was earning to advise people on the best ways to use social media tools like Facebook and Pinterest to grow their brands.