Three quotes on your kitchen: $24,000, $31,000, $38,500. Which is the "real" price? Usually none of them — until you normalize what each bid actually includes. Here is the method.
List every line item down the left (demo, framing, electrical, plumbing, materials by brand, permits, cleanup, haul-away) and one column per bidder. Blank cells are the story: the $24,000 bid probably has five of them. Ask each bidder to fill their gaps in writing — watching how they respond is itself a vetting step.
An allowance is a placeholder budget for things you have not picked yet (fixtures, tile, counters). Lowball allowances are the #1 way bids get gamed: a $1,500 counter allowance on a kitchen that realistically needs $4,000 makes the whole bid look cheaper. Compare allowances against real prices for items you actually like.
Read the exclusions section twice. Common gotchas: permit fees, dumpster rental, drywall patching after electrical, paint, floor protection, and "unforeseen conditions" language with no unit pricing. Ask for unit prices on the predictable surprises (per-sheet subfloor, per-foot rot).
A bid that wants 40% upfront is more expensive in risk even if cheaper on paper. Favor milestone schedules tied to completed work. ConstructHelp escrow standardizes this — every pro on a project is paid the same protected way, which makes the money comparison apples-to-apples.
A crew that starts in two weeks and answers messages within hours is worth real money versus a cheaper bid that starts "sometime next quarter". Slow, vague communication during the bidding honeymoon only gets worse after contracts are signed.
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Get 3 Free QuotesDifferent scopes, material tiers, allowance sizes, overhead, and how busy each contractor is. Most of the spread disappears once you normalize the line items.