Collaborative Estimate Example
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This document is provided as a demonstration of a Collaborative Estimate used by Sparkbox in intitial conversations with potential new clients. We invite our customers to help us with the estimate, since it’s only our combined knowledge and experience that can make for a successful project.

The "Task" column below should be replaced with the tasks needed for a given project. The min and max hour columns allow you to make a rough estimate quickly by specifying a range. The rest of the fields are calculated based on the yellow highlighted fields.

If you have questions, please talk to Ben Callahan: @bencallahan
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TaskMin HoursMax HoursMin PriceMax PriceAvg Price
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Research4080$7,000.00$14,000.00$10,500.00← here you can leave a note explaining what’s included in this range
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Planning80120$14,000.00$21,000.00$17,500.00← you should replace each of these "task" lines with what’s needed for your specific project
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Implementation250500$43,750.00$87,500.00$65,625.00← the calculations generate min, max, and average prices, helping your customer understand that there are many ways to approach each project
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Polish4080$7,000.00$14,000.00$10,500.00← we always reserve time to refine the design in the browser—make sure you want to put the work in your portfolio and that your client is proud of your work
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Support80160$14,000.00$28,000.00$21,000.00← you may need to plan for some support or training once the site is live—let your client know you don’t want to just finish the job and disappear, but that you’ll be around to help them support it long-term
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Subtotal410780$85,750.00$164,500.00$125,125.00← doesn’t include project management
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Total with PM$98,612.50$189,175.00$143,893.75
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Avg per week51.2565.00$12,326.56$15,764.58$14,045.57← we invoice weekly, so this provides a rough idea of the weekly cost
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Rate / HrPMOT Rate / Hr
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$175.0015.00%$262.50← set your hourly rate and an estimated percentage of time for Project Management, overtime is calculated at 1.5 x the hourly rate
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Min WeeksMax Weeks
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812← these are used to calculate the averages on line 12 above, and provide a very rough undersanding of the total duration of the project
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