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Payment Processing
4 articles · Payment Processing
Payment ProcessingGuideBeginnerIn-Person Payments
UK In-Person Payments: Square vs. SumUp vs. iZettle (Which Is Actually Cheapest?)
UK in-person payment processors all claim "1.69%" as their headline rate. But: SumUp charges £20/mon…
Jun 2026
6 min read
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Payment ProcessingGuideBeginnerCross-Border Sales
PayPal Cross-Border Payments: You're Losing 4-6% on Every EU Sale (Post-Brexit)
A UK business sells a £100 product to an EU customer via PayPal. PayPal shows: 3.4% fee = £3.40. But…
Jun 2026
7 min read
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Payment ProcessingComparisonBeginnerWeekly Payments
Square Fees vs Stripe: Why You're Paying 50% More Than You Should
Base rates all similar: Stripe 2.9% + $0.30, Square 2.9% + $0.30, PayPal 2.9% + $0.30. But: Square c…
Jun 2026
6 min read
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Payment ProcessingGuideBeginnerPayment Operations
Stripe Settlement Fees, Failed Payments, and Refunds: A $3K Hidden Cost
You think your Stripe cost is 2.9% + $0.30 per transaction. But failed payment retries (costing you …
Jun 2026
6 min read
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