Proposal, quote or contract
Estimate, quote, proposal and contract are often used as if they mean the same thing, and the confusion costs money when a client treats a rough range as a fixed price. These guides explain what each document promises, when to send which one, and how fixed price compares with time and materials for agency work. They cover the basics only and point to official sources where rules apply; they are not legal advice. Start with the guide on proposals, quotes and estimates.
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Proposal vs quote vs estimate: what's the difference
What an estimate, a quote and a proposal each promise, when to send which one, and how to avoid the misunderstandings that cost you money.
6 min read
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Fixed price vs time and materials for agencies
The same project priced as a fixed fee and as time and materials: what the client pays when the work runs short or long, a decision table and clauses to copy.
9 min read
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Proposals your clients actually say yes to
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