Semrush 2024 — average $4.18 CPC; "differ by as much as 20X"; Handyman $19.78 top

Claim: Semrush / Digital Position 2024 Google Ads CPC Benchmarks (3.6M keywords, 66 categories): average US CPC $4.18; "CPCs can differ by as much as 20X." Handyman Services topped at $19.78; Colleges/Universities $9.13; Air Charter $1.76 (low intent despite niche).

Semrush CPC Map (2019-2020, via MarketingCharts): Insurance highest at $18.57; Online Education $14.04; Marketing/Advertising $7.40; Legal $6.97. Electronics lowest at $0.83.

Source: Semrush (SEO/PPC SaaS vendor).

Caveat: Vendor. Quarantined.

Confidence: Single-source / Industry-consensus (corroborates WordStream/LocaliQ 2025 — Attorneys $8.58, Dentists $7.85, Restaurants $2.05 (vendor) direction).