COS helps builders, GCs, and subs run every project on-time, on-margin, and cash-positive. Your membership includes our Foundation Playbook (dripped over 6 weeks) and weekly Q&A. Upgrade anytime to: Diagnostic (one-time blueprint & ROI), Operator (predictable cost/schedule), or Portfolio (governance at scale). You’ll implement simple cadences, bulletproof change control, disciplined WIP/cash, and field rhythms that stick.