Andrew Munro / AffiliateWP

This plugin requires <a href="https://wordpress.org/extend/plugins/easy-digital-downloads/" title="Easy Digital Downloads" rel="ugc">Easy Digital Downloads</a>.
EDD Purchase Rewards allows a site owner to reward customers who purchase with a discount code. This will not only lead to repeat sales by the customer, but build customer loyalty.
The discount code can either be a preselected discount code that you create, or you can choose to automatically generate a unique, one-time use discount code (percentage or flat rate).
A minimum purchase amount can be set, and you can also force the customer to share to at least 1 social network before the discount is given to them. The discount code is shown on the purchase confirmation page but can be optionally emailed to the customer.
Features:
<ol>
<li>Offer a discount code to your customer for purchasing</li>
<li>Force the customer to share to at least 1 social network before receiving their reward</li>
<li>Set a minimum purchase amount before the customer receives the discount</li>
<li>Select between an existing discount code, or auto generate one, flat or percentage</li>
<li>Choose to send the discount to the customer via email</li>
<li>Show the customer their available discount codes via the [edd_purchase_rewards_discounts] shortcode</li>
<li>Customize the reward email</li>
<li>Customize the twitter message</li>
<li>Customize the default sharing title</li>
<li>Customize the default sharing message</li>
<li>Customize the reward title</li>
<li>Customize the reward message</li>
<li>Customize the reward sharing title</li>
<li>Customize the reward sharing message</li>
<li>Customize the reward sharing thanks title</li>
<li>Customize the reward sharing thanks message</li>
</ol>
Want more free EDD plugins?
To fund ongoing development of more <a href="https://profiles.wordpress.org/sumobi#content-plugins" rel="nofollow ugc">free EDD plugins</a>, I would greatly appreciate any of the below:
<ol>
<li>
<a href="https://easydigitaldownloads.com/blog/author/andrewmunro/?ref=166" title="Buy one of my commercial EDD plugins" rel="nofollow ugc">Buy one of my commercial EDD plugins</a>
</li>
<li>
<a href="https://easydigitaldownloads.com/extensions/?ref=166" title="Use my referral code when you purchase your next EDD plugin" rel="nofollow ugc">Use my referral code when you purchase your next EDD plugin</a>
</li>
<li>
<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=EFUPMPEZPGW7L" title="Donate via PayPal" rel="nofollow ugc">Donate via PayPal</a>
</li>
</ol>
Plugins for Easy Digital Downloads
<a href="https://easydigitaldownloads.com/extensions/?ref=166" title="Plugins for Easy Digital Downloads" rel="nofollow ugc">https://easydigitaldownloads.com/extensions/</a>
Tips for Easy Digital Downloads
<a href="http://sumobi.com/blog" title="Tips for Easy Digital Downloads" rel="nofollow ugc">http://sumobi.com/blog</a>
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EDD Purchase Rewards

Increase sales and build customer loyalty by rewarding customers

This plugin requires <a href="https://wordpress.org/plugins/woocommerce/" title="WooCommerce" rel="ugc">WooCommerce</a>. It allows the site owner to prevent a product from being purchased by enabling a checkbox. It also allows you to override the message on a per-product basis. This will be useful for when you want to let customers know a product is only available in-store but still have the product listed on your website.
How does it work?
This is a very simple plugin that hooks into WooCommerce’s woocommerce_is_purchasable filter. When a product is deemed unpurchasable the “add to cart” button on the main product listing is replaced with a “read more” button. When the customer views the single product page they are shown a message that the product is not available for purchase and the add to cart buttons are removed.

EDD Purchase Rewards vs Prevent Purchase for WooCommerce