If you are looking for the most feature-rich, fully integrated, and user-friendly ecommerce solution for WordPress, you should consider using the SUMO Reward Points & Rewards plugin. It has all of the functionality you could ever want from a rewards plugin. It also comes with the most intuitive user interface for online merchants. You can set up any number of reward categories and they will earn their point based on how much a customer visits your site. As a merchant, you only have to select the appropriate category when a customer goes through your sales page.

When a customer buys a product from your site, he gets a discount. This discount can be applied directly in the shopping cart, or via an email message sent to your customer's inbox. You can also set the discount percentage and show it on the shopping cart. The SUMO plugin also allows you to create an HTML page that shows your total customer purchases, total discount, and other important information. You can customize your page to include additional features like subscription reminders, invoice forms, and so forth.

Another awesome option added in this year's version of the SUMO plugin is the Payment Gateway. This option enables users to use their PayPal account to pay for products purchased from your website. To do this, just add a link to your PayPal account in the text box. This is also great for accepting credit cards as well. A complete list of the features available in the Payment Gateway can be found in the plugin review below.