How to make a product from 50 pieces have a different price?

Question

WordPress

I'm more interested in the snippet without plugins, but I'm also considering free plugins.
There is a snippet that changes the price by a certain percentage depending on the units of the product in the cart, but there is anyone, there can be 10 pieces of five different products, not 50 pieces of one.
Maybe somehow through a new numeric meta-field? I can add them.
For example, <50 take the value from the standard _price/_variation_price, and substitute 50< from your own _opt_price?
Has anyone done something similar?

Answer 1

https://woocommerce.com/products/dynamic-pricing/ ( description in Russian )