Frugal living isn’t merely about trimming expenses or snipping coupons. It is, at its core, an intentional lifestyle grounded in financial mindfulness, resourcefulness, and long-term sustainability. A well-executed budget is the backbone of this approach, enabling individuals to make informed choices and avoid the pitfalls of reactive spending. Yet even the most diligently crafted budgets can falter if they omit essential yet often overlooked categories. In fact, some of the most impactful expenses are not the most obvious ones. These hidden or underestimated items for budget planning can erode your savings or derail your financial goals if not properly addressed.