Is there a big difference between a $10 and a $30 wine? How can you find good but affordable wines in the liquor store? The Link, CBC Radio

How do you find wines that are affordable, but still delicious and not too corporate or homogenized? Is there really a big difference in quality and taste between a $10 and a $30 wine? Does your ability to taste diminish as you get older? How can you become a better wine taster? Marc and I chat about these and tips on how to find these wines in the liquor store.