# How To Read A Collision Repair Estimate | DG Collision > R&I vs R&R, blends, betterment, sublets, supplements — decode every estimate line, spot red flags, compare quotes right. Free estimates: (972) 219-0864. - Canonical page: https://dgcollision.com/guides/how-to-read-a-repair-estimate/ - This file: Markdown twin of the page above (clean text for AI assistants and crawlers) - Business: DG Collision Center, 693 Metro Park Cir #20, Lewisville, TX 75057 — (972) 219-0864 (text: 817-907-2822) — since 1978 - Hours: Mon–Fri 8:30am–5:30pm, Sat 10am–1pm, closed Sunday · 24/7 towing · 4.9/5 on 500+ Google reviews - Full site index for assistants: https://dgcollision.com/llms.txt - Last generated: 2026-08-14 --- # HOW TO READ A COLLISION REPAIR ESTIMATE, LINE BY LINE Every collision estimate is built from the same pieces: an operation (what’s being done), a part type (whose part), labor hours (in tenths), a labor rate, and paint and materials lines that price by the refinish hour. Once you can read R&I versus R&R, spot a blend line, and know what “betterment” means, no estimate — ours, a dealer’s, or your insurer’s — can hide anything from you. Here’s the full decoder: every abbreviation, how the totals build, what varies between shops, and the red flags that predict a [supplement fight](https://dgcollision.com/guides/insurance-offer-too-low/) later. Get A Free Written Estimate Jump To The Decoder Free line-item estimates — and we’ll walk any estimate with you Same industry estimating platforms carriers use Supplements documented and negotiated direct TL;DR A collision estimate reads in five columns: the operation (R&I means remove & reinstall the same part; R&R means remove & replace with a new one; Blend means fading paint into an undamaged neighbor panel for color match), the part type (OEM, A/M aftermarket, LKQ recycled), labor hours in tenths, the labor rate, and paint & materials billed off refinish hours. “Betterment” is a deduction when a repair leaves you better than before (a worn tire replaced new); “sublet” is work sent out, like alignment or calibration; “appearance allowance” is cash offered to NOT fix something. The first estimate is a starting point by design — hidden damage found at teardown is handled by a supplement, and on a covered claim your deductible stays your cap. - R&I vs R&R is the money line: reinstalling your part vs buying a new one — same initials, very different totals. - Blend lines aren’t upselling: modern colors can’t butt-match at a panel edge; blending the neighbor is how factory finishes are matched. - Missing lines predict fights: no R&I for moldings, no calibration sublet after sensor-area work, no blend next to a painted panel — a cheap estimate that omits them becomes a supplement war later. - Compare line-items, not totals: two estimates $800 apart usually differ in what was counted, not what the same work costs. By [Shah Jiwani](https://dgcollision.com/about/shah-jiwani/) · Owner, DG Collision Center Updated July 28, 2026 10 min read I-CAR Gold Class · PPG Certified Anatomy Of A Line The Jargon Decoder How The Totals Build Red Flags Review Yours In 5 Steps Estimate To Repair FAQ Five Columns, Every Line ## THE ANATOMY OF AN ESTIMATE LINE Whether the sheet comes from us, a dealer, or your carrier’s app, it was almost certainly written in one of the industry estimating platforms, and every line carries the same five pieces. Take a typical line: “R&R Bumper cover, front — A/M — 2.8 — refinish 2.5.” Translated: remove the damaged front bumper cover and replace it (R&R) with an aftermarket part (A/M), 2.8 labor hours to do the swap, plus 2.5 refinish hours to prep and paint it. Labor hours are written in tenths — 2.8 means two hours and forty-eight minutes, not “about three” — and most operations pull from published time guides, which is why two honest shops usually agree on the hours and differ on what’s counted. The quiet column that decides quality is the part type — OEM, A/M, LKQ — and it’s usually a two-letter code you’d never notice. That column has its own playbook and its own Texas law (§1952.301’s parts-freedom clause), which we cover fully in the [OEM vs aftermarket guide](https://dgcollision.com/guides/oem-vs-aftermarket-parts-texas/). What this page gives you is the rest of the sheet: the operations, the hours, the paint math, and the totals. Say It In English ## THE JARGON DECODER Term Means Why It’s On Your Sheet R&I Remove & Install Your part comes off and goes back on undamaged — a headlamp removed to paint a fender. Labor only, no part cost. R&R Remove & Replace The damaged part comes off and a new (or recycled) one goes on — labor plus the part price. Blend Fade paint into the next panel Modern colors — especially metallics and pearls — can’t match at a hard panel edge. Blending transitions color across the neighbor so the eye can’t find the repair. Sublet Work sent to a specialist Alignments, glass, A/C recharge, some ADAS calibrations — billed through at cost on your sheet. Betterment A deduction for ending up better than before Half-worn tire destroyed in the crash, replaced new: the insurer pays the worn share, you pay the improvement. Legit on wear items — never on safety restraints. Appearance allowance Cash to not fix something An offer to pay you a reduced amount and leave minor damage unrepaired. Fine when it’s truly cosmetic and your informed choice — a flag when it’s pushed on you. Paint & materials Primer, base, clear, consumables Priced from refinish hours times a materials rate — the second-biggest number on most sheets after parts. Frame / setup time Anchoring the car on the bench Structural pulls need measuring and anchoring before the first pull — setup hours are real work, not padding. Supplement The estimate’s planned second act Damage found at teardown, documented with photos, paid by the insurer on top of the original approval. Normal, not a scandal. Platform abbreviations vary slightly by system, but these terms appear on virtually every U.S. collision estimate in some spelling. Where The Number Comes From ## HOW THE TOTALS BUILD — AND WHY QUOTES DIFFER The bottom of the sheet stacks four subtotals: parts (each line’s part price), body labor (repair and replace hours × the body rate), refinish labor (paint hours × the refinish rate), and paint & materials — plus sublet, tax, and any betterment deduction. When two estimates for the same car land $800 apart, line them up side by side and the difference is almost never the same operation priced differently — it’s lines that exist on one sheet and not the other: a blend into the adjacent panel, R&I of the moldings and handles before refinish, a calibration sublet after bumper work, corrosion protection reapplied inside a welded panel. That’s why the cheapest estimate so often becomes the most expensive repair: the missing lines don’t disappear, they resurface mid-repair as a [supplement](https://dgcollision.com/guides/insurance-estimate-final/) — or worse, the work silently doesn’t happen. It’s also why our [cost estimator](https://dgcollision.com/repair-cost-estimator/) gives ranges instead of fake-precise totals: the real number comes from writing the lines, and the written estimate is free. On a covered claim, remember the anchor fact: the estimate decides what the insurer pays — your out-of-pocket stays capped at your deductible either way. ### GOT AN ESTIMATE YOU CAN’T QUITE DECODE? Bring it in or text a photo of it — we’ll translate it line by line and tell you what’s missing, free. Read These Twice ## FIVE RED FLAGS ON ANY ESTIMATE #### No blend line next to a refinished panel A door gets painted and the fender beside it doesn’t get a blend line? On a metallic or pearl, that edge will show. Either the estimator plans to eat the blend — or plans a visible color step. #### No R&I on trim, moldings, and handles Painting around masking tape instead of removing hardware is the classic corner-cut: overspray edges, buried tape lines, and trim that never sits right again. R&I lines are how you know parts come off. #### No calibration after sensor-area work Bumper, windshield, grille or mirror work on a car with driver-assist features should carry a calibration line or sublet. Its absence means the system either goes unchecked — or becomes your problem later. #### Betterment on anything that isn’t a wear item Tires, batteries, exhaust — fair game for betterment math. A betterment deduction on structural parts, restraints, or body panels is a number worth challenging on the spot. #### An appearance allowance you didn’t ask about Cash-to-not-repair has honest uses, but when it appears unrequested on prior damage or blends into the settlement, it’s quietly shrinking the repair. Make sure every allowance is a choice you made. Do This With Yours ## REVIEW YOUR ESTIMATE IN 5 STEPS ### 01. Match lines to damage Walk the car with the sheet: every dented panel should have a repair or replace line, and every part in the damage path an R&I or R&R. Damage without a line is the first supplement waiting to happen. ### 02. Check the operations R&I where your parts survive, R&R where they didn’t, blends beside every refinished panel on metallic or pearl colors. The operations column is where quality is written down — or isn’t. ### 03. Read the part-type codes OEM, A/M, LKQ, Recond next to each part line. Sort them against the four OEM-required categories — structural, welded, sensor-bearing, restraints — before you approve anything. ### 04. Question deductions Every betterment and appearance-allowance line should survive one question: “why is this here?” Wear items, fine. Anything else, make them show the math. ### 05. Compare estimates by lines, not totals Put competing sheets side by side and find the lines that exist on one and not the other. The missing lines — not the hourly rates — are almost always the whole difference. From Write-Up To Delivery ## WHAT THE LINES TURN INTO Drag the slider — a real multi-line repair from our Lewisville floor, from a two-page estimate to a finished quarter panel. Before After #### Side Impact — Doors & Quarter Panel Pictured: Honda Civic — the kind of repair whose estimate runs R&R, R&I, blend and refinish lines across two pages Estimate Questions ## FREQUENTLY ASKED QUESTIONS **Q: What does R&I mean on a repair estimate?** A: Remove & Install: your existing, undamaged part comes off so work can happen behind or around it, then goes back on — a headlamp removed to refinish a fender, moldings pulled before paint. It’s a labor-only line with no part cost, and its presence is a quality signal: shops that skip R&I are masking around hardware instead. **Q: What’s the difference between R&I and R&R?** A: R&I reinstalls your same part; R&R (Remove & Replace) swaps the damaged part for a new, aftermarket, or recycled one — so R&R lines carry both labor and a part price. Same-looking initials, very different money. **Q: What is a blend, and is it necessary or an upsell?** A: Blending fades new color partway into the undamaged neighboring panel and clears the whole thing, because modern finishes — metallics, pearls, tri-coats — cannot reliably match at a hard panel edge. It’s standard refinish practice, not padding. An estimate that paints one metallic door with no blend line beside it is the one to question. **Q: What does betterment mean on my estimate?** A: A deduction when the repair leaves you measurably better off than before the loss — the classic case is a half-worn tire destroyed in the crash and replaced with a new one: the insurer funds the worn half, you fund the upgrade. Fair on wear items like tires, batteries and exhaust; challenge it anywhere else, and it never belongs on safety restraints. **Q: What is a sublet charge?** A: Work your body shop sends to a specialist and passes through on the sheet — four-wheel alignments, glass, A/C evacuation and recharge, some ADAS calibrations. Sublet lines are normal; what matters is that the needed ones exist, especially calibration after any sensor-area work. **Q: Why do labor hours have decimals like 2.8?** A: Estimate hours are written in tenths — 2.8 means 2 hours 48 minutes. Most replace operations pull from published industry time guides, which is why honest shops rarely differ much on hours for the same operation; estimates diverge on which operations get counted at all. **Q: Why is my insurance estimate lower than the body shop’s?** A: Usually missing lines, not different prices: photo-based carrier estimates can’t see behind the bumper cover, so blends, R&I, corrosion protection and calibrations often aren’t on the first sheet. That’s what the supplement process exists for — the shop documents the rest at teardown and the insurer pays the difference, while your deductible stays your cap on a covered claim. **Q: What’s an appearance allowance?** A: An offer of money to leave minor damage unrepaired — say, $150 to live with a small wheel scuff. Legitimate when it’s cosmetic, disclosed, and your choice. It becomes a red flag when it appears without discussion or is used to quietly shrink the repair scope. **Q: Do I have to accept my insurance company’s estimate?** A: No — it’s a starting point, not a verdict. Texas law (Tex. Ins. Code §1952.301) puts the shop choice with you, the shop of your choice writes its own sheet, and differences get resolved through documented supplements with the carrier. The first number changing is the system working, not failing. **Q: Will DG Collision explain an estimate I got somewhere else?** A: Yes — bring it in or text a photo of it. We’ll translate every line, flag what’s missing against the damage, and give you our own written estimate free, whether or not you repair with us. Ten minutes of translation beats weeks of supplement surprises.