How can I add a cookie with a predefined specific value to the currently used profile in BAS and how can I modify specific cookies only (e.g. set another value or expiration date).
If you want the second folder to stay updated with the potential changes that appear in the original folder after working with it, then yes, you would need to copy it again.
If the site catches u using automation, it doesn't matter which browser u use. You can't change the browser, but u can change the programming logic to a more human one.