Custom Options Csv Pricing Magento Extension
This extension basically used to save custom options pricing using csv. It will work when you have 2 custom options.
Bundle Product Fixed Special Price Magento Extension
This extension basically allow the admin to specify special price for bundle product. By default magento doesn't have this feature. The specified special price will be fixed for bundle product regardless of the selection of bundle items when placing an order.
Magento2 Extension Installation
Magento2 Extension Installation Service