100 in 100 Challenge
Get 100 new paid users in 100 days
100 in 100 Challenge launched on April 19, 2021 with 533 votes, #12 of 3,754 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 5 years on.
In plain words
100 in 100 Challenge is a structured goal-setting tool for entrepreneurs and makers who want to acquire 100 paying customers within 100 days. The product provides a focused framework for sales, marketing, and growth activities, helping users track progress toward this specific milestone. It's designed for founders and business owners looking to accelerate customer acquisition through organized daily or weekly challenges and accountability measures.
written from the facts on this page · September 2026
From the sources
Get 100 new paying customers in 100 days. That's it. That's the challenge.
The 100 day productivity challenge.
You can set your daily penalty to any amount between $1 and $10. Every day you will submit a short update post about your goal. Submitting the post counts as a success and failing to submit your post that day triggers the fine. I keep it. It's mine now. I'm going to spend it on something dumb that you would hate, so make sure not to miss any days. Listen, if I donated your lost money to charity, you'd just have another reason to fail. Therefore, the money that you lose is going to a fund for dumb ideas and evil deeds. So make sure you actually do the work that you want to do or you're going to be making the world worse for everybody. I don't want to make the world a better place. I want to…from 100in100.co
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