The strictly mathematical view is that it doesn’t make sense to pay off a mortgage with an historically low rate of 2% or 3% when those funds could be invested in the stock market and potentially earn 8% or 10%.
This is a strict mathematical view based on simplistic math because it does not take risk into account.
The same line of reasning will make you believe there is no place for bonds in your portfolio - after all they have lower expected returns than stocks.
You also need to belive the banks are a banch of idiots, they give you money and charge 2% so that you can go to the stock market and earn 8% with the money.
You also need to belive other investors are a banch of idiots. How come almost nobody is persistently able to beat the market if everything you need to do to generate above market returns is to leverage up.
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Post: Four Debates
Link to comment from February 17, 2022