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Lessons

Every short video we publish gets a page here - the video, a written breakdown, and the deck to actually learn it.

The Advice You Never Hear

the missing data set; the planes that did not come back and the founders who did not make it

Why Research Confirms You

asymmetric search; you look for the yes and never run the test that could say no

Why The First Price Wins

an arbitrary first number drags every later judgement toward it

Why Losing Hurts Twice As Much

the same amount weighted differently as gain or loss; how framing flips a choice

Why You Finish The Bad Movie

money and time already spent are not a reason to continue; only future cost and benefit count

Why What You Learn Does Not Transfer

near vs far transfer; abstracting the principle

What Actually Counts As A Recession

two quarters rule vs the committee; why the label lags

Why Ancient Memory Tricks Still Work

method of loci; spatial memory as scaffolding

What A One Percent Fee Really Costs

fee drag compounded over decades

Is There A Point Where More Study Is Wasted

overlearning returns; when to stop and switch

How Bonds Work And Why Prices Fall

coupon, yield, the inverse price-rate relationship

When Exactly To Review What You Learned

expanding intervals; why the schedule matters more than the effort

The Credit Score Rule Nobody Explains

utilization ratio, statement date vs due date

Why Guessing First Makes You Learn Faster

generation effect; productive failure before instruction

The Only Guaranteed Return In Investing

employer match as instant return; vesting

What Studying With Your Phone Out Costs You

attention residue, task switching, encoding depth

How Insurers Decide Your Premium

pooling, risk classes, deductible as a lever

The Test That Proves You Understand Something

explain it simply; where the explanation breaks is the gap

Why Most Budgets Fail In Week Three

irregular expenses, the annual costs nobody budgets monthly

Why You Blank In The Exam Room

context-dependent recall; varying study conditions

Why Debt Compounds Faster Than Savings

same math, opposite direction; minimum payments and the balance that never moves

Why Highlighting Does Almost Nothing

passive marking vs generative processing; what to do instead

How Investment Gains Get Taxed

realised vs unrealised, short vs long term holding

Why Easy Studying Is A Warning Sign

desirable difficulty; fluent processing predicts forgetting