What Is a Loan?
A loan is money you borrow with a promise to pay it back, usually with interest.
Why interest exists: If someone lends you $100, they can't use that $100 themselves. Interest is the price of borrowing — it compensates the lender for:
Types of loans you'll encounter:
The golden rule of borrowing: Only borrow for things that will be worth more than the interest you pay. A college education? Probably worth it. A pair of shoes on a credit card? Probably not.