It’s now or never — or at least until next year — for tobacco quota holders and growers who hope to cash in during the first of 10 years of the quota buyout. If you haven’t signed up with the Farm Service Agency, go to the Vance County office at the corner of Young and Walnut streets today, or you’ll be shut out this year. You could sign up next year, but why give up 10 percent of your share of what so many people worked so hard to get — $10.1 billion.