This query is about selling a customization service for a base product, whose customizations have their respective prices.
It is about the sale of the same product, so the stock is the same.
That product has different customizations that are made at the client’s request.
The different customizations of the product have different prices.
That is why my query is, if the stock can be linked in several rows. Or some other way to have the same base product with different customizations each with its respective price without having to manually modify the stock of the base product to all its customizations.
You can use product variants to offer different or the same prices for different variations of the product, like small and large in Lavender | The Plant Store
The point is that the base product is customized at the client’s request.
I have a certain amount of that base product
The base product variants are the options that the customer can order.
As an example,
I have a stock of 100 base products that can be customized in three ways at the customer’s request, each customization has a different price.
The customized product does not exist until the customer orders it, but its variants do exist so the customer can choose.
Dado que sus variantes existen para poder mostrar sus respectivos precios, todas provienen del mismo producto base.
Since their variants exist to be able to display their respective prices, they all come from the same stock of the base product.
So I wanted to know if there is any way to link stock between its variants
In store.link, the only option is to have stock for each product variant.
The option for custom rules here is Google Sheet formulas or macros. Please try to implement formulas and see if that works for your custom requirement.