Pressure-Testing Your Flex Budget Your budget looks airtight. Does it hold up when a professional estimator reads it? @David Boyd of Quantify, a professional construction estimator, showed us where small bay budgets quietly go wrong and how to catch the gaps before a lender or a GC bid does. If you’re building flex, watch this before you lock your numbers. Full recording -> An Estimator's Playbook David was kind enough to share some resources. See attached.