DIY internal developer platforms cost $7.5 M per year – why buying is cheaper
A VMware Tanzu paper shows a 60‑engineer team will drain $7.5 M annually, totalling $37.5 M over five years, just to run a home‑grown platform. By contrast, commercial platforms need a fraction of staff—often under ten ops engineers for thousands of developers. The math flips the ‘we’ll build it ourselves’ argument.