This promo offers different percentage values off the total price once a certain number of items have been added to the cart. Buy three items, get 10% off. Buy four, 15% off. Buy five or more, 25% off.
So to hack this, add the item(s) you want to the cart and add other items from the promo until you have at least five items in your cart. Return the items you don't want.
In the form above, choose the tool (or tools) you want from the "Required Products" field and choose "Calculate". If an item is not in stock, you can exclude it from your cart by toggling the slider above the product list. You will be presented with different cart options you can buy at Home Depot to get the maximum savings amount on the tool you want.