Vendor Guide

Accepting Credit Cards

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5 min read•Last Updated: July 2026

Many customers no longer carry much cash, so accepting credit cards can help vendors avoid missed sales. This guide covers practical things to think about before relying on a card reader during a busy expo weekend.

Choose a Payment System Before the Show

  • Set up your payment account well before the event.
  • Test your card reader before expo weekend.
  • Make sure your app is updated.
  • Know how your system handles taxes, tips, and receipts.
  • Understand your processing fees.

Prepare for Internet Issues

  • Wi-Fi may not always be reliable at large events.
  • Know whether your system can process payments offline.
  • Bring a backup hotspot if you normally use one.
  • Keep a backup payment option ready.
  • Do not depend on one device only.

Device Preparation

  • Fully charge your phone or tablet.
  • Bring charging cables.
  • Bring a portable battery.
  • Keep your card reader charged.
  • Consider bringing a backup reader if you have one.

Cash Still Matters

  • Bring small bills for change.
  • Have a secure cash box or pouch.
  • Keep cash out of sight when possible.
  • Reconcile cash sales at the end of each day.
  • Do not leave cash in your booth overnight.

Customer Confidence

  • Make prices easy to see.
  • Confirm the total before charging.
  • Offer a receipt when possible.
  • Keep the transaction simple and friendly.
  • Thank the customer after the sale.

Quick Checklist

  • Payment account active
  • Card reader tested
  • App updated
  • Devices charged
  • Charging cables packed
  • Portable battery packed
  • Backup payment plan ready
  • Small bills for change
  • Cash secured

Related Resources

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