David Sapper

David Sapper is a U.S.-based entrepreneur, small business consultant, and merchant services strategist specializing in payment processing economics, profit optimization, and scalable consulting models for small and mid-sized businesses. He is the founder of BlueFinch Advisors, a consulting and merchant services firm focused on helping business owners reduce hidden costs, increase margins, and build more resilient businesses. David’s work centers on a core but often misunderstood issue in small business: payment processing. Most small businesses operate on net margins of roughly 7–12%, yet common default processors—such as Square, Stripe, and bank-issued merchant accounts—typically charge 3–4% of gross revenue. In practice, this means payment processing alone can consume 30–50% of a bus...