§ 01
Fee Impact = Investment x ((1 + r)^n - (1 + r - fee)^n)
§ 02
Compare expense ratios of SPY (0.09%), VOO (0.03%), and IVV (0.03%). All three track the same index.
§ 03
§ 04
ETF A: 0.03% expense ratio. ETF B: 0.25%. Both track the S&P 500. Over 30 years on $100K, what's the difference in final wealth assuming 8% gross?
Five questions · AI feedback
Sit with the ideas.
You invest $50,000 in an ETF with a 0.50% expense ratio. Roughly how much do you pay in fees per year?
Why:
Try this in paper trading
Build a 3-ETF starter portfolio
Allocate $25,000 of your paper cash across three ETFs: a broad-market index (e.g., VTI or SPY), an international fund (e.g., VXUS), and a bond fund (e.g., BND or AGG). Pick the weights you'd actually hold for the next decade.
Open paper portfolio →Practice mode — simulated trades, not investment advice.