Three Quotes, Three Different Structures
Interchange-plus pricing, tiered pricing, and flat-rate pricing are three genuinely different ways a processor can present the cost of a transaction, defined and documented across the industry’s own active glossary vocabulary and the PCI Security Standards Council’s own glossary. A merchant collecting three quotes from three different processors has no guarantee any two of them are built on the same structure, and often they aren’t.
That means the instinct to simply line up three headline rates and pick the lowest number is comparing three different kinds of documents, not three prices for an identical service.
Why CardFellow Exists to Solve Exactly This Problem
CardFellow, a free comparison marketplace, requires every quote generated through its platform to use interchange-plus pricing specifically, standardizing what would otherwise be an apples-to-oranges comparison across processors. Businesses moving from bundled or tiered pricing to a pass-through interchange-plus quote through the marketplace see an average 40% cost reduction, according to CardFellow.
The existence of an entire service built around forcing one pricing structure onto every competing quote is itself evidence of how real this comparison problem is. If three quotes in three different structures were already easy to compare fairly, that standardization step wouldn’t need to exist.
What the Legacy Tiered Terms Add to the Confusion
Many quotes and statements still carry the legacy qualified, mid-qualified, and non-qualified rate categories, terms defined in the PCI Security Standards Council’s glossary but rarely explained to the merchant reading them. A card that lands in the non-qualified tier can cost meaningfully more to process than the headline “as low as” rate a quote leads with, without that gap being obvious from the number on the page.
A merchant comparing three quotes without knowing to ask which tier their typical transaction mix falls into is comparing headline numbers that may not reflect what they’d actually pay month to month.
Why the Effective Rate Is the Only Fair Comparison
This is reasoning, not a cited behavioral finding: the only number that actually makes three differently-structured quotes comparable is the effective rate, total fees divided by total processing volume, applied consistently to each competing offer using the same transaction mix. Comparing headline rates alone, across interchange-plus, tiered, and flat-rate structures, isn’t comparing the same thing three times.
An agent who walks a merchant through calculating the effective rate on all three quotes, rather than just the one they’re pitching, is doing the work CardFellow’s standardization does automatically, by hand and in the room.
Turning the Comparison Into an Advantage
A merchant who says “I got a lower number elsewhere” is often quoting a headline rate from a different pricing structure entirely, not a genuinely lower effective cost. Offering to run the same effective-rate math on the competing quote, rather than simply defending the current offer, turns the objection into a real comparison instead of a standoff over two numbers that were never measuring the same thing.
Human + AI SDRs can request a copy of a competing quote over SMS just as easily as a current statement, keeping that comparison honest before a merchant signs based on a headline number alone.
Sources
The external data in this article draws on the sources below. Figures described in the text as estimates or industry triangulations are directional and are not attributed to a single dataset.
- PCI Security Standards Council, Official PCI DSS Glossary
- CardFellow, Don’t Be Fooled by Merchant Account Comparison Charts