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Budgeting & Forecasting › Zero-Based Budgeting

What does 'building a budget from scratch' mean in ZBB?

Beginner

Answer

It means starting each activity's budget at zero and adding only costs that can be justified for the coming period, rather than starting from last year's budget. Every line of spending must earn its place based on need and value, so nothing is carried forward by default.
Real-world example Each activity's budget is assembled from justified costs upward, not last year's figure adjusted.

Common follow-ups: What is the starting point? | What must each cost do to be included?