Starting January 15th, the temporary pause on earning Double Up Food Bucks at Keweenaw Co-op is over! DUFB Customers can resume earning and spending on fruits and vegetables. The program has set a new earning and spending limit for DUFB. Beginning January 15th, DUFB shoppers will be able to both earn and spend up to $10 per day. Customers will still be able to earn and spend DUFB throughout the year.