Moacir

This plugin allows you to reduce shipping rate dynamically according to products in the customer cart.
Each product can donate a value to reduce shipping rate, so if there are two products in the cart, one with 2.00 of discount and another with 3.00 of discount, if the shipping rate is 17.00 this plugin will reduce shipping rate to 12.00.
The idea behind this plugin is to improve your sales by transferring the shipping rate to product price avoiding customer to abandon on the checkout/cart page.

WooCommerce Shipping Discount

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WooCommerce Bulk Discount makes it possible to apply fine-grained bulk discounts to items in the shopping cart, depending on the ordered quantity and on the specific product.
WooCommerce Bulk Discount is compatible with WooCommerce 3.7 to 4.9
Let us examine some examples of usage.
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You may want to feature the following discount policy in your store: if the customer orders more than 5 items of a given product, he/she will pay the price of this orderline lowered by 10%.
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Or you may want a different policy, for example offering a 5% discount if the customer orders more than 10 items of a product and a 10% discount if he/she orders more than 20 items.
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Bulk Discounts supports fixed and flat discounts in currency units as well, enabling you to handle scenarios like deducting a specific value of, say $10 from the item subtotal. For example, when the customer orders more than 10 items (say, 15, 20, etc.), a discount of $10 will be applied only on the subtotal price.
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The settings for discounts are simple yet extensive, allowing wide range of discount policies to be adopted in your store.
Here is the list of the main features:
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<li>NEW Compatible with WooCommerce 4.9.</li>
<li>NEW Supports WordPress Multisite.</li>
<li>Possibility to set percentage, fixed or flat bulk discount in currency units. (see FAQ section for details)</li>
<li>Possibility to set the discount individually per product.</li>
<li>Possibility to set the discount globally for all products.</li>
<li>Bulk discounts for product variations is supported to treat them separately or by shared quantity when discounting. </li>
<li>Discount is better visible and is available on several locations (see below).</li>
<li>Discount is visible on the Checkout page.</li>
<li>Discount is visible on the Order Details page.</li>
<li>Discount is visible in WooCommerce order e-mails and invoices as well.</li>
<li>Showing the applied discount when hovering over the item price in the cart. </li>
<li>Possibility of easily changing the CSS of the price before and after discount.</li>
<li>Bulk discount can or cannot be applied if a coupon code is used, depending on configuration.</li>
<li>HTML markup is allowed in information about the bulk discount offer in Product Description.</li>
<li>Bulk Discount can be disabled more easily in the Product Options page.</li>
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If you like WooCommerce Bulk Discount, please also check out these premium plugins:
<ul>
<li><a href="http://codecanyon.net/item/woocommerce-free-gift/6144902?ref=themegrids" rel="nofollow ugc">WooCommerce Free Gift</a></li>
<li><a href="http://codecanyon.net/item/woocommerce-gift-coupons/6207561?ref=themegrids" rel="nofollow ugc">WooCommerce Gift Coupons</a></li>
</ul>

WooCommerce Bulk Discount

Apply fine-grained bulk discounts to items in the shopping cart.

WooCommerce Shipping Discount vs WooCommerce Bulk Discount