Credit cards may offer convenience and opportunities to build credit, but they also come with terms and conditions that aren’t always advertised. Here are several credit card secrets that banks may not tell you about.

• Minimum payments are a trap. Banks design minimum payments to look appealing (typically 2% to 3% of your balance). But paying only the minimum allows interest to grow on your remaining balance, which can result in you paying two or three times (or more!) of the original purchase price over time. If possible, pay your credit card balance in full each month.
• Interest rates are negotiable. If you’ve been a reliable customer and consistently make payment on time, there’s a good chance your bank might lower your annual percentage rate if you ask. Simply call the customer service number on the back of your card and ask if you can lower your rate. Banks prefer to keep loyal customers rather than risk losing them to competitors.
• The high cost of rewards programs. Banks design these programs to encourage spending, which increases the likelihood that cardholders will carry a balance and pay interest. Some rewards cards also have high annual fees that can erode the value of the rewards you earn. To truly benefit from rewards programs, only use your card for planned purchases and pay off the balance in full each month.
• Late fees are avoidable. Many credit card issuers offer a grace period for late payments. If you miss your payment due date, call your bank immediately and explain the situation. This can often result in the bank waiving its late fee, especially if it’s your first offense. Banks don’t widely advertise this because they profit significantly from late fees.
• Introductory offers have strings attached. Offers like 0% interest or bonus rewards often come with terms and conditions that are easy to overlook. For example, some rewards programs require you to spend a certain amount within the first three months to qualify for the bonus. If you don’t read the fine print, you might miss out on the offer or end up spending more than you intended. Always understand the requirements before applying for a new card.
• Banks monitor your spending habits. Banks track your spending patterns and use this data to their advantage. For example, if you consistently pay off your balance in full, you might not be as profitable to them, which could result in fewer promotional offers. On the other hand, customers who carry balances and pay interest may receive more marketing for additional financial products. Being mindful of your spending habits can help you avoid falling into costly traps that are pushed by banks.

Credit cards can be a valuable financial tool, but only if you understand how they work and how to avoid the hidden pitfalls. By paying off your balance in full, negotiating fees and rates, and leveraging rewards strategically, you can take control of your credit card rather than letting it control you.