Freemius

Igor Benic

Define sales points and let WordPress & WooCommerce increase the price of the product after a defined amount of sales.
WooCommerce 3.0 is requested. It won’t work on version below 3.0.
This plugin will directly change the Regular Price of your product, it won’t save the regular price since it will be changed directly. This is done so that you may also delete all the sales points but retain the last price change of your product.
Under the product price, there will be a notice for your customers that the price for this product will increase after X sales.

Raise Prices with Sales for WooCommerce

Define multiple Sales Points and increase prices after a defined amount of sales.

Stuart Duff - a11n

This plugin sets all external / affiliate product buy now links on a <a href="https://wordpress.org/plugins/woocommerce/" rel="ugc">WooCommerce</a> site to open in a new web browser tab.
There are no settings for the plugin and you simply need to install and activate for your WooCommerce external product links to then open in a new tab.
<h3>Minimum Requirements</h3>
For this extension to function the <a href="https://wordpress.org/plugins/woocommerce/" rel="ugc">WooCommerce</a> must be installed and activated on your WordPress site.

External Product New Tab for WooCommerce

Opens WooCommerce external / affiliate product links in a new browser tab automatically.

Raise Prices with Sales for WooCommerce vs External Product New Tab for WooCommerce