Add for each supported site a setting for whether the user has or does not have a loyalty card
Considering that in general not all users have loyalty cards of all stores supported by this script, and discounts on all products are generally different, I suggest considering my proposal for improving this userscript.
User scripts allow you to save data in the browser, edited by users through the web menu on the pages of the sites on which the user script works (including using user settings).
This extension is designed to maximize savings, which includes receiving loyalty cards, which are usually free. So the proposal is controversial, but okay, in any case, it depends on the implementation of the user settings interface #2
This extension is designed to maximize savings, which includes receiving loyalty cards, which are usually free.
Since I perceive the term "free" somewhat broader than the definition of "you don't have to pay money for it", the price of participation in loyalty programs of some stores is too high for me to afford it. But this is in no way connected with my desire to buy something in these stores. These are unrelated things.