Ans. No, we never make changes to the core files of WooCommerce. We always follow the best guidelines which are governed by WooCommerce. WooCommerce Multi-Vendor Marketplace Plugin is coded on top of WooCommerce systems and follows the standard way of WooCommerce application programming. WooCommerce Multi-Vendor Marketplace module is as scalable as your WooCommerce which means it will not affect your existing store performance and will support all your standard WooCommerce cache handlers.