It truly depends on ones class but another could be relationship status of someone, a family person could find it hard to set a specific daily budget because emergency expenses could spring up at any time. But as a single fellow one can set this up. Most of my subscriptions, bills are paid mostly at the end of the month. With all foodstuffs taken care of I could be on $15 daily and it will sustain me without any emergency
You're right that personal circumstances such as relationship status and family responsibilities can greatly affect one's ability to stick to a daily budget. It's important to be flexible and adapt to unexpected expenses as they arise. However, setting a budget can still be a helpful tool for managing expenses and ensuring that one's financial resources are being used effectively. It's good to hear that you have found a daily budget that works for you