cart page:
1/
table.cart .product-sku {
display: none;
}
2/ https://prnt.sc/qHXJ_44PJXpC
3/ Contact WooCommerce support about shipping settings, and read their docs – https://woocommerce.com/document/setting-up-shipping-zones/
checkout page :
1, 2/ This is independent of the theme, so contact the support of WooCommerce plugin to get assistance.
It seems all your questions were answered.
Let us know if you need any other assistance.
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