Best solution is to use dynamic row component where you can set quantity , price and shipping option on admin product edit .
Refer below link
Magento 2: Creating dynamic matrix in new/edit product page
On product after save event you can save all values into your separate database table and get it on product detail page.
On product detail page you can write ...
I am assuming that you have your custom column added in the database and custom field present on the admin company edit page in the General section.
For reading the column value from the database into the field on the admin page:
Add in di.xml:
<!-- override core class in order to have the custom column show on the admin company edit page -->
Youtube does not give you 10,000 Queries a day, they give you 10,000 units a day; a query can be multiple units, depending on what you're doing:
A simple read operation that only retrieves the ID of each returned resource has a cost of approximately 1 unit.
A write operation has a cost of approximately 50 units.
A video upload has a cost of approximately ...
You can show Upsell products on checkout page by add below code to checkout_index_index.xml
Try this code :-
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="checkout" xsi:noNamespaceSchemaLocation="urn:...