I challenge the conventional wisdom that you should wait until age 70 to claim Social Security benefits in order to get the most out of it. According to US News, the average monthly Social Security benefit as of 2022 is … Read More … Read More
math


How a children’s TV show taught me about compound interest

How do you figure out how much money you need in retirement?
I had a little fun with our fictitious shopping trip on the luxury eBay. While I enjoy toys as much as anyone, I think the desire for ultra-rich luxuries seems less about desire for luxuries and more of a need … Read More … Read More

Why I love the Rule of 72
WARNING: This post contains math. (But you knew this with a title like that.) How long will it take an investment to double? It’s a good question. And while doubling itself isn’t the most important aspect of an investment, it’s a … Read More … Read More

Is there someone at the IRS who’s a math lover?
WARNING: This post contains math. I love math. You know this. I think math is one of our world’s ways of expressing beauty. To me, there are few things more pleasing to the eye than a elegant mathematical statement. (People … Read More … Read More

How to calculate your true account balance at the end of the month

Why to use the 15% rule for saving for retirement
WARNING: This post contains math. Last time, when I talked about saving for retirement, I mentioned that I put away at least 15% of my income away in retirement. It occurred to me that some readers may feel like I’ve … Read More … Read More

Just making sure: Mortgage interest isn’t a reason to hold on to a mortgage

Which is better, a tax credit or a tax deduction?

How to choose a deductible
WARNING: This post contains math. My car was hit the other day. We got a freak snow storm here in normally-rainy Portland, and people do not know how to handle driving in this weather. (To be fair, Oregon doesn’t salt … Read More … Read More