"Sell this product" usage through excel sheets

hey guys
so as the title says, I love wcfm because of the “Sell this product” feature allowing multiple sellers to offer the same item under the same listing showing the lowest in price first

I am using a dropshipping plugin that is adding products from multiple sources. but many of the products are duplicates

currently, I manually go into the wcfm menu, click the “Sell this product” item, chose the item, then add the SKU for the duplicate item from the other source, just to make the scenario work

question is: is there an easier way to manage this? like if I use the sheets, for example, is there a column to set the parent (main product) for duplicate products and have it added automatically as a same product from other sellers?