Coffee loses about half of its taste in the first ten days after ingestion and much more after grinding. After coffee is roasted, then it ought to degas or breathe to get a first 8 hours in an open container. This allows for the extremely pungent gasses to dissipate. It is not bad to consume at this stage but it only tastes better in a couple of days.
The coffee should sit at a semi-closed container in a cool, dark and dry place for another 3-5 times to additional degas. Freshly roasted coffee is about to be brewed in the day 5 after ingestion. You can buy a pack of top whole bean coffee via https://fengany.com/collections/coffee.
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For another 10 days following the degassing interval, the coffee is at its peak of freshness with each ripe note and taste coming out in its own aroma, body, and acidity. In 15-20 days, you really ought to start brewing it as it's now starting to rancid and will taste level in about 5 days. At 20-25 days it's time to brew it get more.
Air (oxygen), light, humidity and humidity will be the offenders that kill your new coffee, brewed or roasted. If you follow these tips you can get more life from the specialty coffee, and definitely like a healthier, fuller-flavored and much more exceptional cup of coffee. Entire beans will last more than coffee and thus don't grind the beans till you're ready to boil them.
Eliminate your beans in the first bag the coffee came in, and set in an airtight container such as Tupperware or even Glad Ware. Make sure you wash the container with damp cloth so as to reuse it. Contrary to popular belief, entire beans should not be kept in the freezer or fridge.