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  5. Loans, installments, secured and unsecured

World 8 · Debt & borrowing · Lesson 4 of 10

Loans, installments, secured and unsecured

The common shapes of borrowing, and what a lender can take if repayments stop.

7 min read · Level: Foundation · Free — no account needed to read

The idea

A loan is a fixed amount borrowed and repaid over an agreed period, usually in regular instalments that include interest. Personal loans, vehicle loans, home loans (mortgages) and student loans are common kinds. Installment plans at shops — including “buy now, pay later” — split a purchase into several payments, sometimes with no interest if every payment is on time and high fees if one is missed.

Borrowing is either secured or unsecured. A secured loan is backed by something you own — the collateral — such as a home or vehicle. If you stop paying, the lender can take it. Secured loans usually cost less, because the lender’s risk is lower, but the consequences of falling behind are more serious. Unsecured loans have no collateral, so they usually cost more, but missing payments damages your credit and can lead to collection rather than losing an asset directly.

Why it matters

Knowing the shape of a loan — how it is repaid and what the lender can take — helps you choose borrowing that fits your life and understand what is at stake.

A real example

The situation
Rafael needs money for a business. A lender offers a cheaper loan secured against his home, or a more expensive unsecured one.
What happened
He realises that if the business struggles, the secured loan could put his family’s home at risk. He borrows a smaller unsecured amount and starts the business more modestly.
The takeaway
The cheaper loan carried a risk he was not willing to take.

How people actually behave

People tend to focus on whether a loan is approved and how much the payment is, and give much less thought to what happens if they cannot pay.

Common mistakes

  • Securing a loan against your home for something risky.
  • Stacking several installment plans that together strain your budget.
  • Not reading what happens when a payment is missed.

Questions to think about

  • Which of your debts are secured, and what could you lose?
  • How many installment plans are you currently paying?

Try it: Know your loans

  1. List each loan or installment plan with its payment, end date and interest.
  2. Mark which are secured and against what.
  3. Add up the monthly total and compare it with your income.

Words in this lesson

  • Loan — A fixed amount borrowed and repaid over an agreed period, usually with interest.
  • Instalment — One of a series of regular payments toward a loan or purchase.
  • Collateral — Something of value that a borrower pledges to a lender, which the lender can take if the loan is not repaid.
  • Secured loan — A loan backed by collateral that the lender can take if you stop paying.
  • Unsecured loan — A loan with no collateral, usually costing more because the lender has less protection.
  • Mortgage (home loan) — A loan to buy property, secured against that property.
  • Buy now, pay later — A way of paying for a purchase in several instalments, often with no interest if every payment is on time and fees if one is missed.

Continue learning

  • Interest: simple, compound and APR — Interest is the price of borrowing. How it is calculated decides how fast a debt grows. (8 min · Foundation)
  • Debt-to-income: how much is too much? — Comparing what you owe each month to what you earn is how lenders — and you — can see the strain. (6 min · Practical)
  • Buy now or buy later? — Waiting changes both the price you pay and whether you still want the thing at all. (5 min · Foundation)

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Next: Minimum payments and debt traps

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