Learning how to taste wine and what to look for takes practice, but you can often tell if a wine is well made or not, even without tasting experience. For argument’s sake, let’s say you can’t tell the difference between fine wine and subpar wine by taste. There are still some big differences you may take note of when you buy wine online, so you can at least understand why there’s a price difference between a $2 wine and a $30 bottle. High-Quality Grapes You can’t have great-tasting wine without great grapes. There’s no way around it. Well-known wine-growing regions…