How to add upsell product similar to link shared below

New Member
10 0 0

How to add upsell product like the ->

As i can see there is no form and on multi select the product gets add to cart

Thank you in Advance

Shopify Partner
1164 144 204

This is a very complex request, you need to have experience with Liquid, CSS and JS.
If you have no experience, I recommend you to hire a professional.
Hope it helps!

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