That's what's called a "Milchmädchen Rechnung" (milkmaid calculation) in German. It highly depends on the interest rate and the property market development. Now

That's what's called a "Milchmädchen Rechnung" (milkmaid calculation) in German. It highly depends on the interest rate and the property market development. Now it has been true in recent years, largely due to the artificially low interest rates and the large housing demand. However, it could (and has historically before) make much more sense to invest your capital otherwise and rent instead.