Supplement Letter Playbook

Practical guides to help auto body shops and restoration contractors recover more on every claim.

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Auto Body

How to Write an Auto Body Insurance Supplement Letter That Gets Paid

Learn the exact structure, language, and OEM references that get supplement requests approved โ€” and the mistakes that get them denied.

March 2026 ยท 8 min read
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Restoration

IICRC Standards: Your Secret Weapon in Restoration Supplement Letters

How to cite IICRC S500, S520, and S770 standards effectively to justify scope and pricing โ€” with real examples adjusters can't dispute.

March 2026 ยท 7 min read
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Restoration

Top 10 Xactimate Line Items Adjusters Routinely Miss (And How to Get Them Paid)

These commonly overlooked line items add up to thousands per job. Here's how to identify them and write supplement requests that stick.

March 2026 ยท 6 min read
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Auto Body

OEM Repair Procedures, Blend Time & P-Pages: Citing Them Right in Your Supplement

Auto body estimators leave thousands on the table by not citing OEM procedures correctly. Here's how to do it โ€” and why it works.

March 2026 ยท 7 min read
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Strategy

Supplement Letter vs. Revised Estimate: What's the Difference and When to Use Each

Most shops send the wrong document and wonder why they don't get paid. Here's exactly when a formal supplement letter is the right move.

March 2026 ยท 5 min read
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Business

How Much Money Is Your Shop Leaving on the Table? (The Supplement Math)

The average auto body shop and restoration contractor under-recovers by $1,200โ€“$3,500 per job. Here's how to calculate your own leakage.

March 2026 ยท 5 min read

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