Every brand that crosses $2-5M in revenue hits the same wall: the spreadsheet stops working. You're running ads across Meta, Google, maybe TikTok, selling on Shopify and Amazon, and pulling GA4 funnel data on the side. What worked at $500K in monthly revenue collapses under the weight of 4-6 ad platforms, each reporting a different number as if it were the truth. This is exactly where ecommerce analytics for brands focused on scaling revenue needs to become infrastructure, not a side project someone owns in Google Sheets.