Most students who end up regretting their first credit card made one or more of these specific mistakes.
Treating the credit limit as spending money. Your credit limit is not income. It is not a budget supplement. It is a ceiling on borrowing, and borrowing costs money. If you cannot pay for something with the cash you already have, putting it on a credit card does not make it affordable — it makes it more expensive.
Only making minimum payments. Minimum payments are designed to keep your account current while maximizing the interest the issuer collects. They are not a repayment strategy. Pay your full statement balance every month. No exceptions.
Ignoring your statements. Under the Fair Credit Billing Act, you have 60 days from the statement date to dispute billing errors. If you are not reading your statements, you will miss unauthorized charges, incorrect amounts, and other errors that could affect your finances and credit.
Opening multiple cards too fast. Each credit card application generates a hard inquiry on your credit report, which can temporarily lower your score. More importantly, multiple new accounts in a short period shorten your average account age and signal risk to future lenders. One well-managed student card is worth more than three poorly managed ones.
Cosigning without understanding the implications. If a parent cosigns your student card, every late payment and every high balance affects their credit too. This is a legal obligation, not a formality. Make sure both parties understand the stakes.
Closing the card after graduation. Your oldest account contributes to your credit history length. Closing your first credit card removes that anchor. Even if you move on to better cards, keep the student card open with a small recurring charge to maintain the account age.