What a sign-up bonus actually is, and what it costs you
A credit card sign-up bonus is a reward the card issuer gives you for opening an account and spending a set amount within a set time — usually three to six months. The bonus typically comes as cash back, points, or miles. The catch is that you have to spend money to unlock it, and the card usually charges an annual fee.
The real question is whether the bonus value exceeds what you would have earned on a card with no annual fee, plus the cost of the fee itself. If a card offers $200 cash back but charges $95 per year, you need to decide whether you'll use the card enough to make that $95 worth it. If you spend $5,000 to hit the bonus and then stop using the card, you've gained $200 but paid $95 for the privilege — a net gain of $105. That's real money, but only if you actually meet the spending requirement without overspending.
Key Takeaways
- Sign-up bonuses are only valuable if you can meet the spending requirement with money you were already planning to spend, not money you spend just to get the bonus.
- The annual fee reduces your net gain from the bonus, so compare the bonus amount against the fee to find your actual profit.
- Different card types offer different bonus structures: cash back cards offer a flat dollar amount, while travel cards offer points or miles that vary in value depending on how you redeem them.
- The best bonus for you depends on your spending category (groceries, travel, dining) and whether you'll use the card after the bonus period ends.
- Timing matters — some cards raise or lower their bonuses seasonally, and you can only earn one sign-up bonus per card every few years.
Cash back bonuses versus points and miles
Cash back bonuses are straightforward: the issuer gives you a dollar amount, usually $100 to $500, after you meet the spending requirement. You receive the cash as a statement credit or direct deposit. There's no guesswork about value — $200 cash back is worth $200.
Points and miles bonuses are harder to value because their worth depends on how you redeem them. A travel card might offer 50,000 points after you spend $3,000. Those 50,000 points might be worth $500 if you redeem them for a flight, or $250 if you redeem them for cash back. The same points can be worth different amounts to different people. Before you compare travel card bonuses, look up the redemption rate for that specific card's points or miles — the issuer's website will show you what recent flights or hotels cost in points.
For most people building wealth over time, cash back is simpler to evaluate. You know exactly what you're getting, and you can put that money toward debt payoff or savings. Points and miles work better if you travel regularly and know how to maximize redemption value.
How to calculate whether a bonus is worth the annual fee
Start with the bonus amount. Subtract the annual fee. That's your net gain if you use the card only for the bonus period and never again.
Example: A card offers $300 cash back after you spend $5,000 in three months. The annual fee is $95. Your net gain is $300 minus $95 = $205. If you can meet the $5,000 spending requirement without changing your habits, that's a real $205 profit.
Now ask whether you'll use the card after the bonus period. If the card earns 2% cash back on all purchases and you spend $10,000 per year on it, you'll earn $200 in ongoing rewards. That $200 minus the $95 annual fee means you're still ahead by $105 per year. But if you won't use the card after the bonus, the $95 fee is pure cost.
Many people open a bonus card, hit the spending requirement, and then switch to a no-fee card for everyday spending. That's fine — just make sure the bonus profit ($300 minus $95 = $205 in the example above) is worth the effort of managing another account.
Matching the bonus to your actual spending patterns
The biggest mistake is spending money you wouldn't otherwise spend just to hit a bonus threshold. If a card requires $5,000 in spending and you normally spend $2,000 per month, you'll hit it in 2.5 months without changing anything. If you normally spend $1,000 per month, you'd have to double your spending for five months — that's overspending, and it wipes out the bonus value.
Look at your last three months of credit card statements. Add up what you spent. That's your baseline. Now look at the bonus requirement. Can you hit it within the time window using money you were already planning to spend? If yes, the bonus is worth considering. If no, skip it.
Some cards offer category bonuses: higher cash back on groceries, gas, or dining. If you spend $400 per month on groceries and the card offers 5% cash back on groceries, you'll earn $240 per year in that category alone. That might justify a $95 annual fee. But if you rarely buy groceries, that bonus is worthless to you.
Understanding the spending requirement and timeline
The spending requirement is the amount you must charge to the card within a specific window to earn the bonus. Most cards give you three to six months. Some count only new purchases; others count balance transfers too. A few cards count authorized user spending toward the requirement.
The timeline matters because it affects whether you can hit the requirement without overspending. A $5,000 requirement in three months means you need to spend about $1,667 per month. A $5,000 requirement in six months means about $833 per month. The longer window is easier to hit with normal spending.
Read the fine print on the issuer's website. Look for the exact language: "You must charge at least $X to the card within Y days of account opening." Some cards say "within 90 days," others say "within 6 months." The difference is significant if you're on the edge of hitting the requirement.
When sign-up bonuses change and how often you can earn them
Card issuers adjust their bonuses based on competition and demand. A card might offer $200 cash back one month and $300 the next. There's no way to predict these changes, but you can check comparison sites and the issuer's website to see the current offer before you explore.
You can typically earn a sign-up bonus only once per card every few years — usually two to three years, depending on the issuer's rules. Some issuers have a "24-month rule": you can't earn a bonus on a card if you've earned one on that same card in the past 24 months. Others use a "48-month rule." Check the issuer's website for the specific rule before you explore.
This matters if you're thinking about opening the same card twice. You can't. But you can open different cards from the same issuer and earn a bonus on each one, as long as you follow the timing rules.
Red flags and common traps
Watch out for cards that require you to spend more than you normally would. If the bonus is $200 but hitting it means you'll overspend by $2,000, you've lost money. The overspending will show up in interest charges if you carry a balance, or in money you could have saved.
Be careful with annual fees that waive the first year. A card might offer no annual fee for year one, then charge $95 starting in year two. If you plan to close the card after the bonus, that's fine. But if you want to keep it for ongoing rewards, factor in the full annual fee from the start.
Don't assume a high bonus means a good card. A $500 bonus sounds great until you realize the card charges $495 in annual fees and has no rewards for ongoing spending. Compare the full picture: bonus minus fee, plus the ongoing rewards rate if you'll keep the card.
Frequently Asked Questions
Can I meet the spending requirement by paying bills or making transfers?
Most cards count regular purchases toward the requirement but exclude balance transfers, cash advances, and wire transfers. Some cards count bill payments if you pay through the card network. Check your card's terms on the issuer's website — the rules vary by card and issuer.
What happens if I don't meet the spending requirement?
You don't earn the bonus. The card issuer won't penalize you, but you'll have paid the annual fee (if there is one) without getting the bonus back. This is why it's important to choose a requirement you can actually hit with normal spending.
Can I open multiple cards at once to earn multiple bonuses?
Yes, but each process shows up on your credit report and can lower your credit score slightly. Opening too many cards in a short time can also trigger fraud reviews or cause issuers to deny your process. Most people space applications out by a few months if they're opening multiple cards.
Is the bonus taxable income?
Credit card bonuses are generally not taxable because they're treated as a discount on your purchase, not income. The IRS doesn't require issuers to report bonuses on a 1099 form. However, if you have questions about your specific situation, a tax professional can give you a definitive answer.
Should I close the card after I earn the bonus?
Closing a card can lower your credit score because it reduces your available credit and shortens your credit history. If the card has no annual fee, keeping it open costs you nothing and helps your score. If it has an annual fee and you won't use it, closing it after the bonus period makes sense — just wait until after the bonus posts to your account.