Most people tend to still eat the meat a few days past the sell-by-date as the expiration date is usually later. I am not one of those people. You can always freeze it by April 1st and eat it later. Bacon is a cured meat and if kept at proper temps will last much longer than 4 days after opened. It's normally very easy to tell when bacon is bad by the smell. Most people don't keep their fridge at cold enough temps and if you find your bacon going bad in 3 days you need recheck your temps. To the person below me: bacon or any other meat will keep way longer when frozen. You can freeze bacon and eat it a year later.