Cut Through Contractor Quotes With Real Math
The Buyer's Math was founded to eliminate the information asymmetry in residential home improvement by replacing vague contractor rules-of-thumb with transparent, physics-based pricing models.
Our Mission: Transparent Homeowner Advocacy
Residential contracting is one of the few multi-billion dollar consumer markets where buyers routinely make five-figure purchasing decisions with virtually zero pricing transparency. Homeowners are forced to evaluate wide bid spreads—often ranging from $8,000 to $22,000 for identical specifications—with no clear way to verify material quantities, licensed trade labor hours, or markup percentages.
The Buyer's Math provides free, independent financial models across 21 residential trades. Our goal is not to eliminate contractor profit, but to give homeowners the baseline empirical math required to negotiate with confidence, spot predatory line-items, and make informed capital investments in their homes.
1. Direct Material Takeoffs
Our algorithms calculate true dimensional material quantities—including exact pitch multipliers, waste allowances (10–15%), fastener schedules, and secondary components like drip edges and flashings.
2. Licensed Trade Labor Rates
We model crew-hour requirements based on time-study standards, benchmarked against Bureau of Labor Statistics (BLS) prevailing wage data for licensed electricians, plumbers, roofers, and carpenters.
3. Real Statutory Incentives
Every energy-related calculator is hardcoded to 2026 Inflation Reduction Act statutory thresholds, calculating exact Section 25C, 25D, and 30C caps, efficiency tiers (SEER2, HSPF2), and utility rebates.
Primary Benchmark Data Sources
To ensure our estimators remain grounded in reality, our mathematical models synthesize data from trusted industry benchmarks:
- RSMeans Construction Cost Data: Industry standard unit cost pricing for commercial and residential construction materials and assembly labor.
- U.S. Bureau of Labor Statistics (BLS): Occupational Employment and Wage Statistics (OEWS) for specialty trade contractors (NAICS 238).
- Internal Revenue Service (IRS): Statutory instructions and qualification requirements for Form 5695 (Residential Energy Credits) and Form 8911 (Refueling Property Credits).
- Model Building Codes (ICC & NFPA): International Residential Code (IRC 2024/2026 edition) and National Electrical Code (NFPA 70 / NEC 2023/2026).
- Commodity Futures Exchanges: Daily spot pricing tracking COMEX copper, lumber mill tariffs, and petroleum asphalt flux index.
Editorial Independence & Standards
The Buyer's Math is entirely independent. We do not accept sponsored calculator rankings, paid contractor endorsements, or proprietary vendor software placements. All calculators and daily market briefs are freely accessible to the public without paywalls or required email capture.
Our site operations are supported transparently through standardized contextual advertising and affiliate referrals. For more information, please review our Privacy Policy, Terms of Service, or reach out to our team via our Contact Us page.