This document outlines 10 tips and 15 marketing must-dos for service providers to double their sales. The tips include hiring a sales coach, getting sales training, learning to say no to unqualified prospects, targeting niche markets, establishing trust with clients through testimonials and social proof, asking questions to understand client needs, improving time management, upselling and cross-selling to existing clients, getting referrals by giving them, and forming strategic partnerships. The 15 marketing must-dos focus on having a unique selling proposition and doing basics like business cards, networking, website, search engine optimization, email marketing, and content creation. The goal is to help providers improve sales skills, prospecting, trust-building and marketing to increase revenue.