Magento ver. 2.2.4
Magento 2 white adding item to cart (configurable product) once its sending add to cart ajax twice so minicart showing double items
Solution:
#1 disable Amazon module
php bin/magento module:disable Amazon_Core Amazon_Login Amazon_Payment
#2
Comment below line code
self.submitForm($(this)); this._bindSubmit();
in \vendor\amzn\amazon-pay-and-login-magento-2-module\src\Payment\view\frontend\web\js\catalog-add-to-cart.js
