To create a new budget, start by listing all your sources of income. Then, identify and categorize your expenses, distinguishing between fixed and variable costs. Set financial goals and allocate funds accordingly, ensuring that your expenses do not exceed your income. Regularly review and adjust your budget as needed to stay on track.

To prepare a custom budget by inputting your own amounts, follow these steps: 1. Identify all your income sources and list them. 2. Determine your fixed expenses, such as rent, utilities, and insurance. 3. List your variable expenses, like groceries, entertainment, and dining out. 4. Input your own amounts for each category based on your financial situation. 5. Calculate the total income and total expenses. 6. Adjust the amounts as needed to ensure your expenses do not exceed your income. 7. Review and refine your budget regularly to accommodate any changes in your financial situation.