Credit card processing fees, decoded
There are only three fee buckets on your statement: interchange (paid to banks, ~70%), assessments (paid to Visa/Mastercard, ~10%), and markup (paid to your processor, ~20% — and the only part that's negotiable).
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Break-even math: when each pricing model wins.
The single number that tells you if you're overpaying.
What's reasonable, what's a junk fee.
What card-issuing banks charge — and why no one can lower it.
Cost, prevention, and dispute strategy.
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