Freelancing, an increasingly popular career choice, offers individuals the chance to regain control of their lives. Thanks to the internet, generating income online has become simpler than ever. According to MBO Partners, 3.3 million full-time freelancers earn more than $100,000 a year. However, finding high-paying clients can be a challenge. Here are 16 strategies that will help you build your freelancing business by attracting more high-paying clients.