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9 articles · Québec, verified 2026 sources

Housing

Quebec Mortgage Payment: The Calculation Your Bank Doesn't Show You

Semi-annual compounding, CMHC premium, 9.975% QST in cash: here's how your Quebec mortgage payment is really calculated — with a full worked example on $500,000.

Education

R score and medicine: reading thresholds without false promises

The figures often cited for Laval, Montréal, McGill and Sherbrooke, their limits and three useful strategies.

Education

R score formula: from the Z score to the final result

A step-by-step reading of the Z score, group strength, group dispersion and common simulator mistakes.

Work

Pay in Québec: understanding deductions in the right order

QPP, QPIP, Employment Insurance, federal and Québec tax: what each line really means.

Self-employment

13 self-employed expenses to classify correctly

Advertising, meals, home office, vehicle and CCA: Québec examples to better organize your receipts.

Self-employment

Business meals: understanding the 50% limit

What the limit covers, why a solo lunch is often worth 0% and how to document a genuine client meal.

Sales taxes

GST and QST: charging, calculating and checking an invoice

The Québec rates, registration around the small supplier threshold and the reverse calculation explained.

Housing

Rent increases and the TAL: building a credible scenario

The 2026 base, the components of a calculation and the deadlines to check before responding.

Income tax

RRSP or FHSA: choosing by project and income

Two deductions, different rules and a method to compare the immediate saving with the real goal.