Canned food can be good for a year or more. If it is ruined, the gases inside the can will cause the can to bulge.
Most food has an expiration date if it's packaged.
Lactaid milk is typically good for about 7-10 days after the sell-by date before it expires.
mostly a week or two weeks before it expires
gunpowder never expires but it doesn't work if it's wet
Buttermilk is typically good for about 2 weeks after the expiration date on the package if stored properly in the refrigerator.
Soda typically lasts for about 6-9 months before it expires, but it can still be safe to drink beyond that date if it has been stored properly.
Unopened milk is typically good for about one week past the expiration date printed on the carton.
A check is typically good for six months before it expires.
Sonic coupons are good until the expiration date printed on the coupon. In the absence of an expiration date, it is up to the individual store to determine if it is valid.
StarSan is typically good for about 1-2 years before it expires.
Anywhere, so long as your return flight is scheduled before the date your passport expires.
Yeast is typically good for about 1-2 years before it expires, as long as it is stored in a cool, dry place.