ELI5: Why does money lose value over time?

Money loses value over time because things generally get more expensive.

Imagine you have $1 today and you want to buy a yummy candy bar. You can buy it! But next year, that same candy bar might cost $1.10. Your $1 can't buy the candy bar anymore! That's because of something called inflation.

Think of it like this:

• Imagine there's only one pizza in the whole town and everyone wants it. The pizza maker can charge a lot, right?
• Now imagine there are ten pizza places. There's more pizza to go around! The pizza makers have to compete and might lower their prices a little.

Here are some reasons why this happens:

• More Money Printing: Sometimes, governments print more money. If there are more dollars floating around but not more goods and services, each dollar becomes worth a little less.
• Increased Demand: If lots of people suddenly want something (like a new toy), the price goes up because stores know they can charge more.
• Supply Problems: If it becomes harder to make or get something (maybe a bad storm ruins the candy crop), the price goes up because there's less to go around.