Key Takeaways — Chapter 11: The Budget
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The budget is strategy, not arithmetic — a story in numbers reviewers read critically. Too low looks naive; too high, wasteful; inconsistent, careless. Its proportions reveal your priorities and understanding of the work.
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The budget must match the narrative exactly (threshold concept): every activity has a number, every number has an activity, and every total agrees everywhere. Build them together, from the narrative, line by line.
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Personnel (usually the largest category) = salary × effort + fringe (25–35%). Effort must be realistic, consistent with the narrative and the person's other commitments; the PI's own effort is read as a leadership-credibility signal. Never forget fringe.
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Build direct costs by category (equipment, supplies, travel, participant support, consultants, subawards, other), each traced to a narrative activity. Classify carefully — the equipment threshold and participant-support status change the indirect calculation.
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Indirect (F&A) costs are real but diffuse overhead, recovered as a rate × a base (with exclusions like equipment and participant support). Funders resist them; know your rate, apply it to the right base, respect each funder's cap, and never pretend they don't exist.
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Apply cost-sharing/matching where required (documented, including in-kind); avoid unwise voluntary matches. Apply escalation (2–4%/yr) in multi-year budgets, with the year-by-year shape matching the timeline.
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Use the funder's required format (NIH modular/detailed, foundation, government forms) and read the budget instructions for allowable costs, caps, and restrictions. "Modular" simplifies presentation, not planning.
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Budget honestly and accurately — what the work genuinely costs, each number from a real basis. Reviewers know real costs; the accurate, well-justified budget is the one they trust.
Common Mistakes
- Building the budget separately from the narrative (→ mismatches/holes).
- Forgetting fringe; applying indirect to the wrong base; ignoring caps.
- Under- or over-budgeting; implausible effort; wrong format; miscategorizing costs.
Decision Framework — Is your budget ready?
(1) Does every activity have a line and every line an activity? (2) Is personnel computed with effort and fringe, at credible effort levels (incl. PI)? (3) Is indirect applied to the right base, within the cap? (4) Is it in the funder's format, with escalation/required match? (5) Do all totals agree everywhere? Any "no" is your next revision.
Your Project
You should now have a complete, line-item, multi-year budget — personnel (salary × effort + fringe), direct costs by category traced to activities, indirect on the correct base within the funder's cap, escalation, and any match — built in the funder's format and reconciled with your narrative. Chapter 12 justifies it.