This time, settling a comparable issue, nonetheless, with the module is executed in a more straightforward manner.
You can utilize the beneath code to Magento 2 restrict “Add to Cart” using plugin For instance, you can confine a client to make an acquisition of items from various classifications.
Or on the other hand, limit buying a demo item for at least a few times!
For more Info. visit: https://meetanshi.com/blog/restrict-add-to-cart-using-plugin-in-magento-2/