Digital marketing skills the are most sought after skills in 2018. Every company, big or small, needs a digital marketing expert to grow their business online. Guess what? If you are an expert digital marketer, you can charge anywhere between $100-$2000 per month from your clients for providing digital marketing services. And not to mention the freelancing marketplaces where you will be able to kick start your freelancing career like Upwork or Fiverr.