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Reviewed in POC · content version 2

Review Total Cost of Ownership

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Definition

Total cost of ownership is the full expected cost of acquiring, integrating, operating, governing, supporting, changing, and eventually retiring a system over its useful life.
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Plain-Language Explanation

For AI, the cost may include licenses, usage, data work, integration, review time, evaluation, security, monitoring, training, rework, vendor management, and exit or migration.
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Why It Matters

A low initial price can hide recurring and organizational costs. Comparing options requires a common period, workload, service level, and risk assumption.
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Example

A company compares two assistants using three years of licenses, API usage, integration, employee review, monitoring, support, retraining, and migration costs.
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Common Misconception

TCO is not a single universal number. It depends on scope, usage, uncertainty, and which costs or risks the analysis includes.
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Remember It This Way

The price gets the system; TCO keeps and eventually changes it.
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Related Terms

* [[build-vs-buy|Build vs. Buy]] * [[vendor-lock-in|Vendor Lock-In]] * [[larger-business-context|Larger Business Context]] * [[rework-loop|Rework Loop]] * [[service-level-agreement|Service-Level Agreement]]
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Sources

* [U.S. Government Accountability Office, Cost Estimating and Assessment Guide](https://www.gao.gov/products/gao-20-195g) — authoritative guidance on life-cycle cost estimates and costs beyond initial acquisition.
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Learn More

* Use [[larger-business-context|Larger Business Context]] to decide which lifecycle costs belong in the comparison.
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