Increasing quantity on the cart page decreases the product unit price
You have configured your Advanced Product Fields to include pricing options, but you may have noticed that when you increase the quantity on the cart page, the pricing options are not adjusting as expected. Instead, the product unit price appears to be decreasing.
Don’t worry, this article will guide you through the steps to resolve this issue and ensure that your pricing options function properly.
You are using flat fee pricing
Fixing the issue when using flat-fee pricing is straightforward: switch your field’s Pricing Type from Flat Fee
to Quantity-based Flat Fee
. the Quantity based flat fee will automatically multiply with the chosen product quantity.

You are using formula pricing
Fixing the issue when using formulas to adjust the final product price is also simple: modify your formulas to multiply by the selected quantity. Here’s how you can accomplish this:
(... your formula here...) * [qty]
The [qty]
shortcode automatically points to the quantity your customer chose.