The real key to becoming a successful freelancer is making lasting connections with clients. Yes, you should deliver a good product, on time. That helps solidify your connections, but there’s more to it. It’s about who you are and the level of customer service you offer each client.

You may not think of yourself as a customer service agent when you’re professional title is content writer (like me), but interpersonal skills play a huge role in every job. If someone doesn’t like you, it...