Start building the portfolio from zero.
Reflections and regrets after a series of frantic short-term trades.
Big Money
Turn everyday savings into investable capital.
Cash flow
$55.00
Available to invest
Balance trend
$55.00
Sample ledger
Coupon at Whole Foods
+$32.00Latte I didn't plan
-$6.75Airline credit match
+$45.00VOO DCA
+$50.00Cashback on groceries
+$22.50Price match refund
+$12.25Compound Interest Visualizer
Watch contributions and interest stack over decades.
Total value
$682,561
Contributed
$190,000
Interest earned
$492,561
Final mix
How much of the ending balance is interest vs what you put in.
Milestones
Projected balance along the way.
Year 10
$108,373
+$38,373
Year 20
$301,888
+$171,888
Year 30
$682,561
+$492,561
Rate scenarios
Same contributions, different annual returns.
For illustration only. Assumes a constant annual return compounded once per year, which real markets never deliver exactly — actual results will vary.
Ready to grow your assets?
Members get the full Big Money app, stock P/L tracking, position sizing, and every calculator — synced across devices.