However, if I'm struggling to reach the minimum spending requirements for a bonus, I'll temporarily switch all of my spending to that card. But if you can manage that wrinkle, group meals can help you meet minimum spending requirements. But, if you're in a pinch and have a short window to meet the minimum spending requirements on a new credit card, it could be worth using a personal credit card for business expenses and getting reimbursed. Bottom lineI recommend putting some or all of your credit card spending on your new card when you're working toward earning a welcome bonus. However, if your regular credit card spending isn't enough to reach the bonus, you can leverage some of these strategies to boost your spending.