A few weeks ago, I was about to pay the HVAC technician who had repaired my home’s heat pump. Out of habit, I pulled a credit card from my wallet — I figured I’d earn rewards on this pricey transaction — but then the tech warned me that his company assesses a 3% surcharge on credit card payments. Thankful for the heads-up, I wrote him a check instead.

Credit card surcharges aren’t new, but they’re becoming more common. According to J.D. Power’s 2025 U.S. Merchant Services Satisfaction Study, “34% of merchants are adding surcharges for customer purchases made using credit cards.” Compare that number to just a year before, when 20% of merchants reported assessing surcharges, per a 2024 State of the Industry Report from CMSPI, a payments consultancy firm.

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