Our Expert Review Team
Every cost calculator and data table on CostPrism is reviewed by a licensed professional in the relevant field. Our reviewers verify formulas, data sources, and cost ranges before publication — and again with each annual update.
Dr. Sarah Chen
Healthcare Economics Specialist
Ph.D. Health EconomicsDr. Chen holds a doctorate in Health Economics and has spent over a decade analyzing out-of-pocket medical costs for uninsured and underinsured patients. She reviews all medical procedure cost data on CostPrism, including dental implants, LASIK, IVF, assisted living, braces, hearing aids, cosmetic surgery, and teeth whitening estimates.
Calculators Reviewed
Data Sources Used
- ✓ CMS Geographic Practice Cost Indices
- ✓ FAIR Health claims database
- ✓ AAID implant cost surveys
- ✓ AAO vision care data
Rachel Goldstein, CPA
Certified Public Accountant
CPA — 18 years experienceRachel is a licensed CPA specializing in small business and self-employment tax planning. She has consulted for hundreds of freelancers and small business owners, helping them understand their true cost of doing business. She reviews CostPrism's business financial calculators and freelancer rate tools for formula accuracy and tax rate correctness.
Calculators Reviewed
Data Sources Used
- ✓ IRS Statistics of Income
- ✓ BLS Occupational Employment Statistics
- ✓ SBA small business cost surveys
James R. Mitchell
Licensed General Contractor
CA Lic. #847291 — 22 yearsJames R. Mitchell holds a California General Contractor license (CA Lic. #847291) and has overseen more than 400 residential projects across 8 states over 22 years. He brings real-world pricing knowledge to CostPrism's home improvement cost data, verifying that material rates, labor multipliers, and regional cost adjustments reflect actual contractor bids.
Calculators Reviewed
Data Sources Used
- ✓ NRCA roofing cost surveys
- ✓ NAHB construction cost data
- ✓ RSMeans unit cost book
- ✓ BLS wage data by state
Michael Torres
Licensed Insurance Broker
Licensed Insurance Broker — 20+ yearsMichael Torres is a licensed insurance broker with over 20 years of experience in personal and commercial lines across all 50 US states. He reviews CostPrism's insurance cost estimates to ensure state-level rate accuracy, coverage tier descriptions, and risk factor adjustments reflect current market conditions for auto, home, life, and business insurance.
Calculators Reviewed
Data Sources Used
- ✓ NAIC state market data
- ✓ AM Best insurer rate filings
- ✓ III industry statistics
- ✓ State DOI rate databases
David Nguyen, JD
Licensed Attorney — Business & Family Law
JD — Business & Family LawDavid Nguyen is a licensed attorney specializing in business formation, commercial contracts, and family law. He has guided hundreds of clients through LLC formation, commercial lease negotiations, and divorce proceedings. He reviews CostPrism's legal and business formation cost calculators for accuracy and regulatory compliance.
Calculators Reviewed
Data Sources Used
- ✓ State LLC filing fee schedules
- ✓ CoStar commercial lease data
- ✓ NOLO legal cost surveys
- ✓ SBA market research
Our Review Process
Each reviewer independently verifies cost data against their cited primary sources. They check calculator formulas for mathematical accuracy, validate that state multipliers reflect current regional market conditions, and flag any data that contradicts authoritative benchmarks.
Reviewers have no financial stake in affiliate recommendations and are compensated for review time independently of page revenue. For full details, see our Editorial Policy.