Capital Gains is a part of Real Estate whether we like it or not. Here are some helpful links to help you learn how to calculate possible Capital Gains expenses:
https://www.wealthsimple.com/en-ca/learn/capital-gains-tax-canada#how_to_reduce_or_avoid_capital_gains_in_canada
https://www.moneysense.ca/columns/ask-moneysense/how-to-calculate-capital-gain-tax-on-the-sale-of-a-property-that-was-lived-in-as-well-as-rented-out/