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$10,000 in 100 days

The hardest one on this list, and the arithmetic says so plainly.

$10,000 in 100 days saves $10,000 by putting $100 away daily, 100 times. At that pace it takes 3 months.

Total
$10,000
Each deposit
$100
A month
$3,041.67
Deposits
100
Takes
3 months

$10,000 is 100 bills

If you are doing this in cash rather than in an account, this is what you finish holding.

$100 bills
100

Every deposit

What people ask

How much a day is $10,000 in 100 days?
$10,000 in 3 months: $100 daily, 100 times. Held in cash that is 100 bills.
How much cash is $10,000 in bills?
100 bills: 100 × $100. A chart gives you the total; this is what you would actually be holding.
What if I miss a deposit?
Nothing compounds, so a missed deposit just moves the finish line by one period. The plan is 100 deposits of $100, in whatever order you manage them.

Other challenges, with their real numbers

A challenge is easy. Twelve months of them is the hard part.

Larder keeps the envelope going after the novelty wears off, on the same paycheck the deposits come out of.

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All amounts are computed in integer cents and rounded up when splitting a bill across paychecks, so a plan never funds a bill short. Pay-period counts follow the calendar: 52 weekly, 26 biweekly, 24 semi-monthly, 12 monthly. Every figure on this page is computed from the challenge itself, not typed in. Built by Larder, makers of an envelope budgeting app for iPhone. Last reviewed .