Nothing to demonstrates your expertise.
Virtual Assistant websites often boast about how proficient they are at solving their clients problems and I’m sure that they do, but where’s the proof?
If you’ve been in business for awhile, you’ve got a good idea of the many problems your customers face, so providing relevant content that addresses these problems moves you into “expert” status. If you are an expert prove it by publishing articles, free downloads and resources for your prospects and clients.
Don’t think of it as giving away your expertise for free — think of it as developing a better educated consumer for your services and products. Will you lose customers because they read your information and implemented the solution without hiring you? It’s possible but unlikely because most prospective customers are unable to do it on their own and will need your expert assistance to help them solve their issues.