How to use this. Toggles capture hard-cost reductions only; the budget at the top automatically grosses each one up by contingency, contractor fee and GST. The countertop and backsplash entries are listed as the consultant staged them (mid-level quartz, then a further step to Silestone). Applying both reflects the deepest downgrade. Phasing the guest house and garage is a scope decision, not a finish decision, and also trims about 1,900 sq ft. All figures are illustrative, scaled and rounded from a completed BDG cost plan.