List cost codes for framing, electrical, plumbing, HVAC, insulation, finishes, and site work, then align each with drawings and specifications. When a faucet changes, a single code updates. This structure eliminates confusion, strengthens bid comparisons, and simplifies progress payments during inspections.
Write allowances only for selections you truly cannot finalize before ordering, and document quality levels, quantities, and pricing sources. Honest allowances prevent inflated credits later. Share a shortlist of acceptable products, so taste and cost stay aligned when shopping fatigue strikes.
Pair unit prices with measured quantities for drywall, tile, flooring, and paint. When square footage shifts, totals recalculate without drama. A simple spreadsheet connected to plans reveals hot spots instantly, guiding design tweaks that save money without sacrificing performance, durability, or beauty.
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