In WooCommerce, attributes are used to define characteristics or features of a product, such as color, size, or material. These attributes can be set globally for all products or individually for each product. They provide a way to filter and sort products on the shop page.

Variations, on the other hand, are specific product options that are tied to attributes. For example, if a product has an attribute for color and size, variations would represent specific combinations, such as a “Red, Medium” shirt. Variations can have different prices, stock levels, and images, offering more control over product options.

In WooCommerce, the shortcode to display an Add to Cart button for a specific product is:

Replace PRODUCT_ID with the actual ID of the product you want to link to. You can find the product ID in the product edit page under the “Product data” section.

This shortcode creates a simple button that, when clicked, will add the specified product to the user’s cart. It is especially useful for custom pages, blog posts, or widgets where you want to showcase individual products with a direct add-to-cart action.

Shipping classes in WooCommerce are used to group products that share similar shipping requirements. By assigning products to specific shipping classes, store owners can set unique shipping rates based on these groups. For example, heavy or large items can have a different shipping rate compared to smaller or lightweight products. Shipping classes help manage shipping costs more effectively by customizing rates for different product categories. This feature integrates with various shipping methods, allowing store owners to provide accurate shipping calculations based on weight, size, or destination. It’s a flexible way to optimize shipping costs.

WooCommerce payment gateways like PayPal and Stripe are generally free to use in terms of setup and integration. However, they do charge transaction fees on each payment processed. PayPal, for example, typically charges a fee of around 2.9% + $0.30 per transaction for domestic payments, while Stripe has a similar fee structure. These fees may vary depending on the country, the type of transaction, and other factors like currency conversion. While the plugins themselves are free, businesses should factor in these transaction fees when budgeting for payment processing costs.