What a sign-up bonus is and how it works
A sign-up bonus is a reward a credit card issuer gives you for opening an account and spending a certain amount of money within a set time frame — usually three to six months. The bonus typically comes as cash back, points, or miles that you can redeem for travel, statement credits, or merchandise. The card company is betting that once you open the account, you'll keep using it and pay interest or annual fees that make the relationship profitable for them.
The mechanics are straightforward: you open the card, you spend the required amount (called the "minimum spend"), and the bonus posts to your account automatically. If the bonus is "$200 cash back after $500 in purchases in the first three months," you spend $500, and $200 appears as a credit on your statement or in your rewards account. You don't have to do anything else to claim it — the issuer tracks your spending automatically.
The catch is that you have to meet the minimum spend within the time window, or you don't get the bonus at all. If you open a card and spend only $300 of the required $500, the bonus disappears. There's no partial credit, and you can't extend the important date.
Key Takeaways
- Sign-up bonuses require you to spend a specific amount within a specific timeframe — usually $500 to $5,000 in three to six months — or you forfeit the bonus entirely.
- The bonus is only worth pursuing if you were already planning to make those purchases; manufactured spending to hit the minimum often costs more than the bonus is worth.
- Annual fees, interest rates, and ongoing rewards rates matter more than the sign-up bonus over the life of the card, so compare the full picture before opening an account.
- Most people can only benefit from one or two sign-up bonuses per year without damaging their credit score or running into card issuer rules that prevent bonus stacking.
- The bonus is taxable income in the eyes of the IRS if it exceeds $600 in a calendar year, though most issuers do not report it as such.
When a sign-up bonus actually saves you money
A sign-up bonus is worth pursuing only if you were already going to spend that money anyway. If you need to buy a plane ticket, pay a medical bill, or stock up on groceries in the next month, opening a card with a $200 bonus after $500 in purchases makes sense — you're getting $200 for free. But if you open a card to hit a $3,000 minimum spend and you have to buy things you don't need, you've lost money, not gained it.
The math is straightforward: a $50 purchase you didn't plan to make costs you $50, even if it counts toward the minimum spend. The bonus doesn't erase that cost. Many people fall into the trap of "manufactured spending" — buying gift cards, making unnecessary purchases, or transferring money between accounts just to hit the minimum. That's a losing strategy.
The best candidates for sign-up bonuses are people who are about to make a large planned purchase: a home renovation, a wedding, a move, or a major appliance. If you're going to spend $2,000 on a kitchen remodel anyway, a card offering $300 back after $2,000 in three months turns that into a real discount.
How sign-up bonuses affect your credit score
Opening a new credit card causes a small, temporary dip in your credit score — usually 5 to 10 points. This happens because the issuer makes a hard inquiry into your credit report, and because a new account lowers your average account age. The dip is temporary and recovers within a few months if you pay on time.
The bigger risk is opening too many cards in a short time. If you open three cards in two months, you'll have three hard inquiries and three new accounts, which can drop your score 30 to 50 points. That matters if you're planning to explore for a mortgage, car loan, or other major credit in the next six months. Most people can safely open one card every three to six months without serious damage.
Keeping the account open after you've earned the bonus also helps your score. Closing the card removes available credit from your account, which can raise your credit utilization ratio (the percentage of your credit limit you're using). If you have a $5,000 limit on one card and a $10,000 limit on another, and you close the second card, your utilization jumps from 25% to 50% even if you haven't changed your spending.
Annual fees and whether they're worth it
Many cards with generous sign-up bonuses also charge an annual fee — often $95 to $550. The question is whether the bonus and ongoing rewards cover that fee. A card with a $200 sign-up bonus and a $95 annual fee nets you $105 in value in year one, but only if you don't use the card after earning the bonus. In year two, you pay the $95 fee with no bonus, so you need to earn at least $95 in rewards from regular spending to break even.
Some premium cards offer perks that offset the fee: travel credits, lounge access, or statement credits that you can use. A $550 annual fee sounds steep until you realize the card includes a $300 travel credit and $200 in other perks, bringing your net cost to $50. But you have to actually use those perks. If you pay $550 a year and never use the travel credit, you've wasted $300.
The safest approach: calculate the annual fee against the rewards you'll actually earn in a year. If you spend $10,000 a year on a card that earns 2% cash back, you earn $200 in rewards. If the annual fee is $95, your net gain is $105. If the fee is $200, you're losing money and should switch to a no-annual-fee card.
Comparing sign-up bonuses across different card types
Sign-up bonuses vary widely depending on the card's purpose. Cash back cards typically offer $100 to $300 bonuses because cash is straightforward to value — you know exactly what it's worth. Travel rewards cards often advertise larger bonuses (50,000 miles, for example) because the value of a mile is harder to pin down and varies by how you redeem it. A mile might be worth 0.5 cents or 2 cents depending on the airline and the flight you book.
Business credit cards sometimes offer the largest bonuses — $500 to $1,000 — because business owners tend to spend more and the issuer expects higher long-term revenue. But business cards also have stricter requirements: you may need to prove you own a business, and the bonus might take longer to post.
Store cards (issued by retailers like Target or Amazon) usually offer smaller bonuses or discounts —$25 off your first purchase, for example — because they're betting on your loyalty to that store, not on a single transaction.
Rules that limit how many bonuses you can earn
Credit card issuers have rules that prevent you from opening multiple cards and earning multiple bonuses from the same issuer in a short time. Chase, for example, has a rule that you can't earn a bonus on the same card more than once every 24 months. Some issuers also have a rule that you can't open more than a certain number of cards in a set period — Chase limits new accounts to five in a 24-month window.
These rules exist to prevent people from opening a card, earning the bonus, closing it, and when ready reopening it. The issuer wants you to keep the card open and use it, not just chase bonuses. If you violate these rules, the issuer may deny your process or claw back the bonus.
Different issuers have different rules, so a bonus you can't earn from Chase might be available from American Express or Discover. But if you're planning to open multiple cards in a year, research each issuer's rules first. Many websites track these rules and update them as they change.
What happens to the bonus if you close the card early
If you close a card within a year of opening it, the issuer may claw back the sign-up bonus — take it back from your account. This is especially common if you close the card before the annual fee hits. The issuer's logic is that you earned the bonus as an incentive to keep the account open, and if you close it, the deal is off.
Not all issuers claw back bonuses, and the rules vary. Some issuers only claw back if you close the card within six months; others have a 12-month window. A few don't claw back at all. Before you open a card planning to close it after earning the bonus, check the issuer's terms or call customer service and ask directly.
The safest approach is to keep the card open for at least a year, even if you don't use it much. After 12 months, most issuers won't claw back the bonus even if you close the account. If the card has an annual fee and you don't plan to use it, you can close it after the first year without penalty.
Frequently Asked Questions
Can I open multiple cards at once to earn multiple bonuses?
You can, but it will damage your credit score more than opening one card. Multiple hard inquiries and new accounts in a short time can drop your score 30 to 50 points. If you're not planning to explore for a mortgage or loan in the next six months, the damage is temporary. If you are, space out your applications by at least three months.
Do I have to pay interest to earn the sign-up bonus?
No. The bonus posts once you meet the minimum spend, regardless of whether you carry a balance or pay in full. However, if you do carry a balance and pay interest, that interest will almost certainly exceed the value of the bonus. Pay the full statement balance each month to keep the bonus as pure profit.
What if I can't meet the minimum spend in time?
You don't earn the bonus. There's no partial credit and no extension. If you open a card and realize you won't hit the minimum, contact the issuer and ask if they'll extend the important date — some will, but most won't. In the future, only open a card if you're confident you'll meet the minimum within the timeframe.
Is the sign-up bonus taxable income?
Technically, yes — the IRS considers rewards taxable income. However, most credit card issuers do not report bonuses to the IRS unless they exceed $600 in a calendar year, and even then, reporting is inconsistent. If you earn a $200 bonus, you're unlikely to receive a tax form. If you're concerned, consult a tax professional, but most people do not report credit card bonuses on their taxes.
Should I choose a card based on the sign-up bonus or the ongoing rewards rate?
The ongoing rewards rate matters more over time. A card with a $300 bonus but a 1% cash back rate will eventually be beaten by a card with a $100 bonus and a 2% cash back rate. The sign-up bonus is a one-time event; the rewards rate affects every purchase you make for years. Choose a card you'll actually want to keep and use regularly, then the bonus is a bonus.