You don't need a 12-15% stock market return for your investment returns to beat the growth of your interest debt. For most mortgages, it's a fixed rate. About 4

You don't need a 12-15% stock market return for your investment returns to beat the growth of your interest debt. For most mortgages, it's a fixed rate. About 4%, some well-qualified borrowers have in low-to-mid 3%, for mortgages originated in the last 12-24 months. Long-term, will an index fund stock market investment exceed 3% returns? Historically speaking, it's a likely outcome.