After selecting the desired product, add it to your shopping cart with just one click. Finally, after completing the purchase, you can return to your shopping cart and review the products available there and you have the option to delete and add the purchased product. Then apply any necessary changes to your shopping cart and if you intend to continue shopping, click on the green box in the lower right corner. Otherwise, click on the orange box in the lower left corner to proceed to the final payment stage. You will be directed to the shipping method stage and then to the stage of selecting the bank gateway and paying for the order, and your purchase from the TOODONYA store will be completed. "The price that was included in the pre-invoice when the customer ordered is valid."