In 2026, most waiters and service staff strongly prefer cash tips over those added to a credit card. The primary reason is "immediacy and transparency"; cash tips go directly into the server's pocket at the end of the shift, whereas card tips are typically processed through the restaurant's payroll system, which can delay payment by a week or more. Furthermore, cash tips are less likely to be subject to "credit card processing fees" (typically 2-3%) that some unscrupulous owners might deduct from the server's gratuity. While "tip pooling" is common for both cash and card, servers often feel they have more control over their earnings when they receive physical currency. However, as society becomes increasingly "cashless," servers have adapted to card tips as the new norm. For the guest, leaving a cash tip is often seen as the "gold standard" of etiquette, especially in the UK or Europe where card-reader prompts are becoming more aggressive. If you want to ensure your specific server receives the full benefit of your generosity as quickly as possible, cash remains the preferred method in the hospitality industry.