Not having a budget and/or lack of measurable savings goals.

Poor debt management & Overusing credit cards or lines of credit.

Temptations

The “I’ll save when I make more money” mindset & Lifestyle inflation

Lack of financial knowledge

Spending more than you earn

Bad money discipline.

Misunderstanding what a budget really is.

Not having a realistic budget, or not being committed to your budget.

Being too restrictive with your budget.

Not accounting for all your expenses/spending.

Not having clear financial goals and leaving savings out of your budget.

Not maintaining an emergency fund and or not planning for emergency situations/spending.

Guessing at costs or inaccurate cost estimates.

Planning your budget around your gross instead of net pay.

Not making allowances for treats and occasional splurges.

Treating wants as needs, not limiting unnecessary spending.

Not working as a team when you have a partner whose cooperation would impact the success of the budget.