What is the best substitute for white wine for cooking?

What is the best substitute for white wine for cooking?

White vinegar

why would you substitute it?

This
In order to provide the best substitute, one would need to know the reason why you don't want white wine

mirin?

I'm not alcoholic, I don't feel like spending on a bottle just for cooking

the alcohol cooks off and it is found in many recipes dumdum, it's well worth the 5 dollars

vermouth

Buy it, use it, freeze the rest. If you're cooking something where the flavour of white wine is distinct, like a white wine cream sauce, there's just no good substitution.

irish whisky