CartBlock Blog

How to Prevent a Product From Being Purchased Alone on Shopify

Prevent a product from being purchased alone on Shopify. Learn the rule logic, CartBlock setup, e...

09/04/2026

How to Limit Shopify Orders Per Customer Per Day, Week, or Month

Limit Shopify orders per customer per day, week, or month. Define who and what counts, test reset...

09/04/2026

How to Set Wholesale Minimum Order Quantities by Customer Tag in Shopify

Set a Shopify wholesale minimum order quantity by customer tag with CartBlock. Follow the setup, ...

09/01/2026

How to Limit Cash on Delivery Orders by Cart Value in Shopify

Limit cash on delivery by cart value in Shopify with CartBlock. Build a COD checkout rule, guide ...

09/01/2026

How to Set Different Minimum Order Values by Country in Shopify

Set a Shopify minimum order value by country with delivery-country and cart-total rules. Handle s...

08/31/2026

How to Require Customer Login Before Shopify Checkout

Require customer login before Shopify checkout, understand what changes for guest and accelerated...

08/31/2026

How to Limit Free Samples and Gifts in a Shopify Cart

Limit free samples per Shopify cart with product tags, quantity rules, promotion-stack tests, and...

08/29/2026

How to Restrict Checkout for Products in a Shopify Collection

Restrict checkout by Shopify collection, combine eligibility conditions, avoid logic mistakes, an...

08/29/2026

How to Block PO Box Addresses at Shopify Checkout

Block PO Box addresses at Shopify checkout with a clear rule, corrective message, false-positive ...

08/29/2026

How to Validate Shipping and Billing Addresses in Shopify Checkout

Use Shopify checkout address validation to build precise shipping or billing rules, handle except...

08/28/2026

Why Shopify Checkout Validation Is Not Working: A Troubleshooting Guide

Troubleshoot Shopify checkout validation with nine focused checks covering scope, logic, Shop Pay...

08/28/2026

How to Set Product Quantity Limits in Shopify (Per Product, Variant, or Cart)

Set a Shopify product quantity limit per variant, product, or cart. Compare native controls with ...

08/27/2026