Don't sell yourself short. What you may not think is a 'big deal', could actually be the makings of great free publicity. One of the best ways to get free publicity is to build it around something you can provide better than anyone else. That is what's gonna drive customers to your front doors and viewers to your websites. People will pay for a product or service that comes from someone who calls him or herself "an expert". But you better deliver what you promise. Don't oversell yourself...because you will destroy your credibility.
No credibility=No publicity.