To avoid unwanted product buying, prevent customers to add the same products to the cart more than one time. Learn How to Prevent Adding Same Product to Cart more than One time in Magento 2.
Many times, The user adds the same product more than once to the cart by mistake and this leads to unnecessary product buying. To avoid this, Magento 2 store owners can prevent customers to add the same product to the cart more than one time.
Checkout Steps: How to Prevent Adding Same Product to Cart more than One time in Magento 2

















