It can be helpful to a sales rep if they actually KNOW something about the products they are selling. They might actually be able to sell more if they have good product knowledge.
We have seen, however, the sales rep who is knowledgeable and passionate about wine has become a thing of the past. Many of the sales reps for the large distributors don't even drink wine on a regular basis.
The best way to learn about wine is by tasting it. Some sales reps routinely congregate and participate in blind-tastings. Some of them even come to our little tasting sessions, seeking to learn more about wine.
Living in Northern California affords people the opportunity to go visit wineries and, hopefully, to taste at the source.
There are plenty of good books that are clearly written and can be very helpful to those looking for fountains of wine knowledge.
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