HUMAN-REVIEWED CONTRACTOR QUOTE ANALYSIS
Before You Sign a Contractor Quote,
Know What You’re Actually Paying For.
Two contractors might offer the same project but include different work. Sightline reviews your roofing or siding proposals to show important differences, possible extra costs, and questions to ask before deciding.
$49 one-time payment for a human-reviewed comparison of 2–5 roofing or siding proposals for one project.
Within 2 business days after receiving complete, readable proposals.
THE CONTRACTOR BID CHALLENGE
The Lowest Quote Isn’t Always
the Lowest Cost
Contractors may include different materials, preparation work, warranties, and allowances in their proposals. A lower price doesn’t necessarily mean lower quality, just as a higher price doesn’t guarantee better work. Understanding exactly what’s included helps you make a more informed comparison.
Three Details Worth Comparing Before You Sign
Two proposals for the same home can be priced differently because they may include different materials, preparation steps, warranties, exclusions, allowances, and pricing conditions. Comparing the written scope—not just the total—helps you understand what you’re actually buying.
- Materials and Installation: Are the specified materials and installation methods comparable?
- Allowances and Additional Work: What work is included, and what could result in additional charges?
- Exclusions and Responsibilities: Are permits, cleanup, repairs, or other responsibilities handled differently?
The takeaway: A price difference often reflects differences in what’s written into the proposal. Clarifying those details helps you compare bids more accurately and avoid surprises later.
SIMPLE COMPARISON FRAMEWORK
What Sightline Finds
Each comparison reviews five common areas where roofing and siding proposals differ, highlighting what’s included, what’s unclear, and what to ask next before you sign.
AREA 01
Differences in Scope of Work
A clear comparison of architectural items, material quality, and installation methods across all bids.
- Differences in material brand and quality
- Varying depth of preparation and demolition
- Discrepancies in measuring square footage
AREA 02
Costs That Might Appear Later
Identifying deliberately low material budgets and missing labor stages that may cause costly change orders.
- Fixture allowances set too low
- Permit fees not included
- Unplanned contingencies for subsurface or structural work
AREA 03
Missing or Unclear Information
Spotting vague “builder-standard” wording, unclear surface prep, and missing manufacturer warranty details.
- Unclear product model numbers
- Missing details on waterproofing methods
- Unstated length of workmanship guarantees
AREA 04
What’s Excluded and Who’s Responsible
Highlights work that’s missing from the bid but could cost you extra time or money, such as debris removal and utility moves.
- Who handles dumpster placement and waste removal?
- Details on drywall repairs and paint touchups
- Responsibility for utility disconnects and electrical upgrades
AREA 05
Five Key Questions Before You Commit
Five prioritized questions you can send to each contractor to clarify unclear items and get key details in writing before work starts.
- Check that low-cost items are accurately included
- Clear timelines tied to payment milestones
- Limits on price increases for extra work
ILLUSTRATIVE EXAMPLE — NOT A REAL CUSTOMER PROJECT.
The $2,700 Difference Explained
Contractor B is $2,700 lower on paper. But a lower price can reflect different assumptions, allowances, exclusions, or materials—not necessarily the same scope. That’s why comparing what’s included matters.
These two hypothetical roofing proposals have a $2,700 price difference. But their scope, materials, and pricing conditions are not identical. Sightline helps identify these differences so homeowners know what to clarify before deciding.
- Contractor A ($22,500) and Contractor B ($19,800): hypothetical examples for the same type of project.
- Use the comparison: to spot differences in documented scope, materials, allowances, exclusions, and conditions—then ask clear follow‑up questions before signing.
INDEPENDENT CLIENT PROCESS
How It Works
Send us your contractor proposals. You’ll get a detailed, human-reviewed scope comparison by email. Within 2 business days after receiving complete, readable proposals.
STEP 01
Upload Your Documents
Upload PDF proposals, estimates, or clear photos of quotes from 2–5 contractors. You can redact sensitive information if you’d like.
STEP 02
Detailed Quote Review
Our human-reviewed analysis examines each scope detail, pricing line items, materials included, permits required, and potential change-order risks.
STEP 03
Get Your Comparison Report
You’ll receive a clear summary highlighting differences in scope, materials, allowances, exclusions, and key questions to ask your contractors.
Delivery: Within 2 business days after receiving complete, readable proposals.
TRUST DOSSIER // INDEPENDENT REVIEW
Clear Commitment & Guiding Principles
Each Sightline comparison follows three simple guidelines to ensure the review stays neutral and homeowner-focused:
- No fees, commissions, or advertising tied to contractors
- No recommendations or lead-selling to contractors
- Careful, side-by-side scope checks based on your project’s official documents
Our goal: help homeowners understand what contractors are actually proposing by comparing documented scope, materials, exclusions, allowances, and conditional costs—so you know what to clarify before signing.
FOUNDER BACKGROUND & MANDATE
Why Sightline Exists
Contractor bids are often built so comparing them directly is difficult. When you get three different estimates for a big remodel or building project, the scopes usually don’t match up.
For roofing and siding, proposals can look similar while specifying different materials, preparation work, exclusions, and allowances. A written comparison helps you spot what’s included—and what needs clarification—before you commit.
Sightline was created by applying years of experience evaluating large industrial contractor proposals to the challenges homeowners face when comparing residential estimates. Our goal is to make complicated contractor proposals easier to understand before a major financial decision.
Independent, human-reviewed analysis with no contractor affiliations.
TRANSPARENT FIXED PRICE
Compare Scope Before You
Compare Price.
Missing or unclear items can lead to follow-up charges or scope changes. Get clear scope details before committing to your project.
INDEPENDENT CONTRACTOR QUOTE REVIEW
$49
$49 one-time payment for a human-reviewed comparison of 2–5 roofing or siding proposals for one project. Within 2 business days after receiving complete, readable proposals.
WHAT YOU RECEIVE
- Detailed Scope Comparison: Line-by-line review of documented scope, materials, allowances, exclusions, and conditions.
- Clear PDF Report: Side-by-side summary you can reference and share.
- Five Prioritized Contractor Questions: A short list of follow-ups to clarify unclear or missing details.
Unbiased & Independent: No contractor kickbacks, commissions, or referral ties
NEUTRAL, HUMAN-REVIEWED ANALYSIS
Frequently Asked Questions
Sightline offers an independent comparison service. We do not sell leads, accept referral fees, or influence contractor choices. We review your documents and present clear scope comparisons so you can decide what to ask and how to proceed.
Strict Conflict of Interest Policy: We never accept any payment or incentives from contractors or builders. Our only obligation is to you, the homeowner.
Which file formats can I upload?
You can send digital PDFs, scanned estimates, clear smartphone photos of paper invoices, and spreadsheet exports (.xlsx, .csv). As long as the description, line items, and pricing are readable, we perform a human-reviewed analysis to extract and standardize the information.
How long does it take to receive my report?
Within 2 business days after receiving complete, readable proposals.
If anything important is missing or unreadable, we’ll reach out so you can resend it.
Do you recommend contractors or select the winning bid?
No. Sightline provides neutral, human-reviewed analysis only. We do not endorse, rank, or refer contractors, and we do not accept marketing incentives. Our role is to help you understand and compare your quotes by identifying scope gaps and differences in what’s included, so you can make your own informed decision.
How do you handle quotes that are structured very differently?
Since contractors organize estimates in varied ways, we translate your proposals into a consistent, easy-to-read comparison. This separates labor, materials, allowances, and permits into clear categories so you can compare quotes side-by-side.
What if my estimate is vague or missing item details?
When estimates lack line-item details, it’s harder to understand what you’re paying for. Our reports highlight unclear areas and provide simple, professional questions you can send to your contractor to get the details you need before signing.
HUMAN-REVIEWED CONTRACTOR ANALYSIS
A Better Decision Starts With
Better Questions.
Upload your contractor proposals today. Within 2 business days after receiving complete, readable proposals. You’ll receive a human-reviewed comparison highlighting scope differences, potential additional costs, and questions to ask before you sign or pay a deposit.
No subscription • Human-reviewed comparison • Within 2 business days after receiving complete, readable proposals.
Clear, human-reviewed analysis to help homeowners navigate major renovation and construction quotes with confidence.
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