Are you good at what you do? Really good? If you make a living at your craft, you must be good. You probably have customers who think you're great. AND… you know you could be better, don't you?
Being good at what you do is a major source of deep fulfillment, not to mention a prerequisite for keeping employment and earning a paycheck. Let me ask you this, then:
What are you doing to improve your writing skills?
No matter what business you're in, especially if you're using the Internet as a marketing tool, you've got to improve your writing. Especially if you don't outsource your content marketing, you must learn to write interesting content that showcases your expertise and value to readers on the Web.
Yet very few professionals spend practice time to improve their writing skills. You can't assume that even if you got an 'A' in college English you write well for the public, the people who are surfing the web to find solutions to their problems.