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Collision estimating

Independent Auto Damage Estimates and Supplements

An initial estimate is often written before teardown. A supplement documents additional damage or required operations discovered as the repair progresses.

An estimate should describe the repair

A useful estimate identifies damaged components, repair or replacement decisions, labor operations, parts, refinishing and other necessary procedures supported by the loss.

Supplements are normal when hidden damage appears

Additional damage may become visible after parts are removed. Photos, measurements, diagnostic information and repair-procedure documentation can support a supplement.

Documentation reduces avoidable disputes

Clear line notes, photographs, invoices and repair information help explain why an operation or part is necessary.

Independent review can identify omissions

A technical review can compare the visible damage and repair requirements with the written estimate and identify items that warrant further documentation or discussion.

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This page provides general educational information, not legal advice. Policy language, claim facts, and applicable rules vary by jurisdiction.

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