Using an online store builder like Instamojo2 that lets you create and manage your own eCommerce website with features like shipping, payments, marketing, and discounts.
You can create coupons for your products and set the conditions for them2. Using a plugin like Coupon Creator if you are using WordPress for your online store. This plugin allows you to create coupons and add them to your posts and pages with a shortcode. You can also set an expiration date for your coupons. Connect with us for more info - website development agency