Do you have a 'go-to' cooking wine?
Whatever's convenient, although I lean towards using my less favorite wines. Unless there is something seriously wrong with a wine, all boiled wine tastes alike.
I sometimes buy Carlo Rossi Chablis and Burgundy in 4 liter jugs ... 'cuz the wine is "ok" and I need more jugs for the winery. It's something like $12+ USD for a new gallon/4 liter jug. I purchased Carlo Rossi at Walmart for $17, got 5.5 bottles of cooking wine from it, plus a free jug!!!
When I say the wine is "ok", that means it has no significant flaws. It is also not exceptional in any way.
Many moons ago the AWS chapter I belonged to did a Lambrusco tasting (cheap fizzy Italian wine). We were out of things to taste, and did it as a laugh.
The AWS scale goes from 0 to 20, with wines in the 9-11 range as being "average". IIRC, none of the participants (IIRC 10-12 people) scored a wine below 9 or above 11. The average scores for each wine were between 9.5 and 10.5.
TOTALLY average. There was absolutely nothing wrong with any of them. But as I said, nothing exceptional, either.
It's a different way to look at wines from what most wine drinkers think.