Now, over 25 years later, it's a household staple across the country. Today, Keurig offers several models for every kind of coffee drinker and a list of K-Cup options as long as a Cheesecake Factory ...

The carbon filter grabs most of the potential deposits and can prolong the life of your Keurig — or at least make it so that you don’t have to clean it as often. These require regularly ...

You'll save the most, and limit trash, with a Keurig K-cup adapter. Annual cost after initial purchase: $80. Use your own coffee; reusable cup and reusable filter.