The CostMe Monthly
One issue a month.
Most money writing chases the day. We do the opposite: one substantial piece each month on the math behind a real decision, grounded in a calm read of where rates sit. No news cycle, no predictions, no advice. Just the numbers, and then you decide.
Issue 03 · September 2026
August in review: Rates, oil, and the signal in the noise
A look back at a volatile August. Central banks held firm, oil prices spiked, and supply chains fractured. Here is how those macro shifts translate into the math of everyday decisions.
11 min read
Issue 02 · August 2026
Compounding, and the mid-year rate picture
Compounding is the only force in money that works while you do nothing. How it works, where it runs in reverse, and what the mid-year rates mean for the decisions in front of you.
12 min read
Issue 01 · July 2026
The cost of waiting
Every purchase has two prices. The one on the tag, and the one the tag never shows: what that money would have become. A calm look at the math behind the pause.
14 min read