The principles that make a good budget, something you can stick to:

• Being Realistic: Being too strict is a recipe for failure.
• Making Adjustments: A budget is not set in stone, but a fluid thing.
• A Team Sport: If you live with a partner or spouse, you have to agree mutually on how to budget the financials.
• Expect the Unexpected: Keep an emergency fund, ideally 3-6 months of necessary expenses.
• Budgeting the Expected: Certain upcoming expenses need to be budgeted in advance, like property tax, holiday shopping, etc.