Mortgages are generally considered to be 'good debt' because they can provide you with access to the housing market by allowing you to pay a fixed rate of interest on an appreciating asset. Mortgages are a great tool to enable homeownership. However, as with any type of debt, it's imperative to avoid overextending yourself. The popularity of the housing market has resulted in too many consumers overburdening themselves with debt in order to own a home. Before taking out a mortgage, you need to ensure you won't be taking on any unnecessary stress or risk of default. The attached video link explains mortgages in more detail.