Scrap/Extract all products of an Onlineshop and import/copy them in my Shopify store with all variants, images, prices,...

I am in need of a skilled freelancer who can help me extract all products from an online shop and import them into my Shopify store.

Key Responsibilities:
- Extracting all products from an existing online shop
- Importing/copying these products into my Shopify store

I expect the freelancer to:
- Ensure all product information is correctly ported over like variants, prices, ean/gtin, description, collections,...
- Maintain the quality of product listings
- Ensure the product images are not lost during the import

I'm looking to work with someone who has:
- Experience with product extraction and import
- Proficiency in Shopify
- Attention to detail

Please provide a timeline for completion when bidding. Please check the size of the shop and the number of products you need to copy yourself.