Answer: Yes, this plugin works with WooCommerce Subscriptions.
Answer: The plugin creates a short URL the can be distributed to customers and does not contain products in the URL.
Answer: Yes, there is a checkbox for each Cart URL that will “Clear the cart” before adding products.
Answer: The customer’s cart is cleared before products from the Cart URL are added to the cart if the “Clear cart when visiting this URL” checkbox is checked.
Which plugin may I use to sell services in my WP site? Answer Those could be setup as Simple products in WooCommerce, or EDD; Set the price, and start selling. If you want the support packages to renew, you could use the WooCommerce Subscriptions plugin to have customers signup to recurring charges.