Practical guides

Read the issue before relying on the number.

These guides explain the documents, timing, assumptions, and questions that matter around each calculator. They use official Canadian sources where a public rule or consumer standard applies.

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How these guides are maintained

Public numbers and rules can change. Each guide identifies the official source to verify and shows a last-reviewed date. The methodology page explains the source hierarchy and correction process. The guides remain general information, not personal financial, legal, tax, employment, or government advice.