Enhanced Flat Rate Shipping enables you to show the Flat Shipping Rate after the cart subtotal reaches the threshold setting. Additionally you can set different rates for different locations, if desired.
AbanteCart v1.2.16 use Enhanced Flat Rate Shipping v1.2.16. Tested up to PHP 7.4.
AbanteCart Version(s) 1.2.0-1.2.15 use Enhanced Flat Rate Shipping v18.104.22.168
1. Starting with extension v1.2.15 we have adopted a license key for all our extensions. Your extension will only work if you have a validated license key entered for the location where your extension is installed. Refer to here for more details on how license keys work.
2. AbanteCart v1.2.14 is extremely problematic. Install Patch files or better to update to 1.2.15.
Prior AbanteCart v1.2.16, when you update existing orders that use different currency via Admin Sales > Orders, customer curremcy are not retained.