How scaling only cart and checkout on Black Friday cut my infrastructure bill and rewired mobile-first execution for composable platforms

https://www.fingerlakes1.com/2026/02/03/most-cost-effective-composable-commerce-firms-for-usa-brands-in-2026/

I learned the hard way. Three failed projects, an inflated cloud bill, and a handful of frantic postmortems taught me that you do not need to scale every piece of your e-commerce stack equally for holiday peaks