If your bundle price is totalling zero in the checkout, this can certainly be a cause for concern for merchants.
There can be a number of reasons why the bundle price comes up as zero in the checkout.
Bundle Builder needs to process the cart content into a draft order - this crucial step involves splitting a bundle into individual products and determining the final price.
When customers select Paypal or GPay in the cart, this step is skipped and as a result, the price is incorrect and the individual products will not be added to the order.
This is not to say that Paypal and GPay are completely incompatible with Bundle Builder; but they should only be available in the checkout.
To resolve this issue we suggest removing PayPal or GPay from the cart and only allowing Express PayPal and GPay options once the customer has reached the checkout (at which point the bundle has already been processed into individual products):
Please use our guide to find out if there are any issues with your installations.
You may have set up your discounting rules so that it is possible to create a free bundle.