Let's get started! Three things you need to know about being an Mercato Author. We live for quality and originality. Only the best authors and items make it through our review process. This way we make sure that all products meet our quality and originality standards. Make it clear and meaningful. The most successful authors put as much love into describing and presenting their items as they do in creating them. Great reviews come from great support. The key to your success is your customers, so make sure you help and support them as much as you can.