UC Node Checkout

UC Node Checkout is a module that allows your customers to purchase nodes. It facilitates operations such as event registration, selling listings, classified ads on a site, and other highly customizable products.

With core Drupal you can create new content types by adding fields to a node type, so you can create a highly customized product order form using already existing modules.

UC Node Checkout works by maintaining a relationship between node types on your site and products in your product catalog. For any particular node type, when a user creates a new node of that type and it has an associated product, the product will be added to the user's shopping cart with a reference to the newly created node.

This module is not really meant to be a stand alone module. You will need to do a little bit of custom work on the backend to make sure these nodes are being processed properly upon checkout, but the roadmap includes ways to make this easier.