Hundred per day10 over 100 days1,000 over a year3,650

You have tried the tracker · twice

A down payment tracker that notices when you stop filling it in

There is a printable in a drawer with eleven days coloured in and an app on your phone with a streak that broke in March. The tracking was never the hard part. Being the only person who sees it is.

Challenge formats are having their moment

where this sits

12%

12% of Americans started a No Spend January in 2026, with search interest in the format at an all-time high, up 67% year on year — Sherwood News.

source

US searches for save money and savings peak every January, and 25% of people surveyed intend to improve their finances in the year ahead — Think with Google.

source

Both figures are quoted from the linked sources. Nothing here is our own estimate.

The chart was never the mechanism

why trackers die

A grid has nothing to say when you skip itPaper is patient. It waits, silently, for as long as you like, and a blank square never asked anyone a question.
The app turned into another notificationStreaks work until the first break, and after the break the app becomes the thing you avoid opening.
Filling something in is not the same as deciding somethingA tracker records an outcome after the fact. The decision that produced it happened hours earlier, unrecorded and usually unconsidered.

now and next

The flat you rent, the flat you are saving for

now · rentingnext · your own

Drag to compare.The daily log is what moves the line.

01

The tracker, with the missing half attached

how it runs

3 1 ∞ tasks, morning report, night people reading it
  1. 01 Three tasks written in the morning The decision arrives before the day does. That is the half a tracker never had.
  2. 02 One report at night, in your own words Not a tick, a sentence. What happened and what did not, which is far harder to fake to yourself than a coloured square.
  3. 03 Read by a group on the same hundred days The first missed report is visible to someone other than you. That single difference is what the drawer full of printables lacked.

the shape of it

What the hundred days usually look like

1of 100 days

The stage where previous trackers died. Here it is also the stage where somebody asks about your missing report.

A hundred days at that pace comes to 1,000. Twelve months of the same habit: 3,650.

Arithmetic in whatever unit you count in. It is a sum, not a forecast.

Day 1–12

The stage where previous trackers died. Here it is also the stage where somebody asks about your missing report.

Day 30

Writing the report becomes automatic and the three tasks get realistic, usually in that order.

Day 100

A hundred written entries: a record of decisions rather than a grid of squares, and one that survived a bad fortnight.

Three tasks each morning. One report each night. A hundred days of down payment.

day 100

A hundred written entries: a record of decisions rather than a grid of squares, and one that survived a bad fortnight.

before you join

Fair questions from someone who has tried this

Is there an app?

No. A prompt in the morning, a place to write at night, and people reading. Adding an icon to your phone is not the missing piece.

Do I have to show my balance to anyone?

Never. You write what you did, not what you have. No account details and no amounts are required.

What happens when I break the streak?

Nothing punitive. You report the break and keep going; the count is days you showed up.

Is this financial advice?

No. It is a discipline programme. We give no guidance on mortgages, products, investments or tax.

What does it cost?

Pricing is set when the next group opens. This page takes no payment.

A hundred days that somebody else can see

Leave an email and we will tell you when the next hundred days start.

One email when the next group opens. Nothing is charged here.

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Take the hundred days