Research

Original studies and indexes published by NailThePrice.

• EV Charger Installation Cost by City

  What a home Level 2 charger install costs in 173 U.S. metros, and why your panel may matter more than your city.

  Published June 24, 2026 · Updated September 11, 2026

• Home Improvement Inflation Index

  Modeled costs for 90 projects across 289 U.S. cities, adjusted for local labor and cost of living, with national skilled-trade wage figures from BLS OEWS (May 2025). Q2 2026 baseline edition.

  Published May 13, 2026 · Updated September 11, 2026

• Panel Upgrade and Rewire Permits: 22,739 Declared Values

  What five cities recorded for panel, service and whole-house rewire work between 2021 and 2025, from their own permit data.

  Published September 12, 2026

• 2026 Home Improvement Cost Index

  Aggregated costs for 90 home improvement projects across 289 U.S. cities: top projects, regional spreads, climate premiums, and state averages.

  Published October 23, 2026

Updated October 23, 2026