The Kenwood electric can opener is the answer to your problems.
These include a can opener and a serrated edge knife blade but not scissors.
You may want to keep the can opener in place, but consider stowing small appliances you don't use every day.
Just about everyone has at least one manual crank style can opener that causes frustration.
Cuisinart Deluxe Stainless Steel Can Opener is an electric version done in brushed stainless steel.