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Compliance, Fraud & Risk

PCI compliance, chargebacks, fraud prevention, underwriting and transaction limits explained. See all 41 articles.

What is the maximum amount you can charge on a credit card?

Oct 10, 2026 · Limits & Security

What is the Maximum Amount You Can Charge on a Credit Card?

Learn what is the maximum amount you can charge on a credit card from both a customer and merchant perspective. Understand limits, fees, and fraud risks.

What Is a Rolling Reserve and When Do Processors Require One

Oct 2, 2026 · Underwriting & Risk

What Is a Rolling Reserve and When Do Processors Require One

A rolling reserve holds back a percentage of your processing volume as a buffer against chargebacks. Here's when processors require one and how it actually works.

Merchant Services Scams and Red Flags: What to Watch For Before You Sign

Oct 2, 2026 · Fraud & Risk

Merchant Services Scams and Red Flags: What to Watch For Before You Sign

Most merchant services problems aren't outright fraud -- they're bad terms hiding in plain sight. Here are the specific red flags to check before you sign anything.

Small-business owner reviewing a chargeback notice and transaction records

Oct 2, 2026 · Fraud & Risk

Chargeback Reversal: What Happens on the Merchant's Side

Learn what happens after you challenge a chargeback, how evidence reaches the issuer, what a reversal means for your funds, and what to do next.

Small-business owner reviewing payment processing application details at a desk

Oct 2, 2026 · Fraud & Risk

What Is a High-Risk Merchant Account? Reasons for Declines

A high-risk merchant account is a processing classification, not a verdict. Learn what can trigger it, why applications get declined, and how to prepare.

Small business storefront reviewing PCI DSS 4.0 compliance requirements

Sep 17, 2026 · Compliance

PCI DSS 4.0: What Changed and What Small Merchants Actually Need to Do

PCI DSS updates tend to sound alarming in headlines, but the actual practical impact on a small merchant using a modern terminal is usually narrower than it first appears.

Payment terminal reading an EMV chip card

Sep 13, 2026 · Fraud & Risk

The EMV Chip Liability Shift, Explained for Small Business Owners

If a fraud loss happens on a card with a chip and you swiped instead of reading it, your business can end up eating the cost — not the card issuer.

Merchant handling a payment terminal and PIN pad securely at checkout

Sep 12, 2026 · Compliance

Terminal and PIN Pad Security: What Merchants Are Responsible For

Card network security standards don't stop at software -- physical terminal and PIN pad handling matters too. Here's what merchants are actually responsible for.

Small business owner reviewing a receipt with a customer at checkout

Sep 10, 2026 · Risk Management

Chargeback Prevention: The Habits That Actually Reduce Disputes

Practical habits -- clear billing descriptors, receipts, and response timing -- that cut disputes before they start.

Zac Rogers, PayWavez founder, installing a compliant dual-pricing sign at a retail checkout counter

Sep 7, 2026 · Compliance

Dual Pricing Signage: What's Required and What Actually Works at the Counter

What dual pricing signage laws actually require, plus practical counter and receipt language that keeps customers informed without slowing down checkout.

Cartoon PayWavez mascot holding a payment tablet on the beach

Aug 16, 2026 · Compliance

PCI Compliance for Small Business: What You Actually Have to Do This Year

Four concrete, actionable things a small merchant actually has to do to stay PCI compliant this year.

Dual pricing sign displayed outside a Gulf Shores business

Aug 16, 2026 · Compliance

Dual Pricing vs. Surcharging: Which Is Legal in Your State

Both programs offset card cost, but they aren't the same program — and state law decides which one you can run.

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