This break-even analysis covers a US retro video game storefront selling used games, refurbished consoles, accessories, and event entry on a monthly model period It includes $138k in Year 1 fixed monthly costs, 19% variable expenses, and an 81% contribution margin, meaning sales left after inventory, supplies, card fees, and promotions It excludes taxes, financing, depreciation, collector-market upside, and one-time startup spend unless stated