Greetings,
I understand your project description.
I think you are looking for someone to add around 4000 products to your new Shopify store.
I am an expert in Shopify, Product listing, Virtual Assistant, Web Search, Excel, and more.
So, I think I can do this task very effectively.
If you hire me Then I trying to complete this task 100% accurate.
So, please discuss more over the chat.
Thank you.
Tanmoy.