Is home mortgage a variable expense?

A home mortgage is typically considered a fixed expense, as it involves consistent monthly payments over the life of the loan, which do not fluctuate based on spending habits. However, if the mortgage has an adjustable-rate component, payments may vary after a specific period, making it variable in that context. Overall, the principal and interest payments are predictable, while property taxes and insurance costs associated with the mortgage may change, contributing to variability in overall housing expenses.