A subscription is an arrangement where you pay a regular fee (usually monthly or yearly) to keep receiving a product or service. When your family has a newspaper subscription, the paper arrives at your door every morning as long as you keep paying. When you subscribe to a magazine, new issues show up in your mailbox throughout the year.

Today, many subscriptions are digital. A music streaming subscription lets you listen to millions of songs for a monthly fee. A video streaming subscription gives you access to shows and movies. Some people subscribe to online games, educational websites, or apps that deliver new content regularly.

The key idea is that subscriptions continue automatically until you cancel them. Unlike buying something once, like purchasing a single book or renting one movie, a subscription keeps going. This makes subscriptions convenient (you don't have to remember to reorder), but it also means you need to keep track of what you're subscribed to and whether you're still using it.

Companies like subscriptions because they create steady, predictable income. Customers often like them because the cost per month feels smaller than one big purchase, and they get continuous access instead of having to buy things over and over. But subscriptions can create problems when people spend more money than they realize on things they're not using or enjoying.