GST/HST and the registered savings accounts.
Sales tax: GST, HST and PSTWhy the price on the shelf isn't what you pay — federal GST, harmonized HST, and provincial PST/QST by province.
Tax-advantaged accounts: TFSA, RRSP, FHSAThe three registered accounts most newcomers should know — tax-free growth, retirement savings, and the first-home account.