If you have a popular product that sells should you add similar products to your store

Store Feedback
1

I have a popular hair growth oil that sold over 128 bottles should i add similar products to my store?

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Dropshipping

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Ok so what do i factor in

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This is the hot seller I sold 128 bottles although some people were impatient waiting for the product https://ecom-beauty-supply-14504.myshopify.com/products/the-magical-fast-grow-max-xxl-beard-mustache-accelerator-1-facial-hair-growth-oil-worldwide?_pos=2&_sid=71f506264&_ss=r&variant=39711243632814

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shopify and the Cj dropshipping app