Why it failed

I lost motivation and most importantly I was sucks at marketing

Key learnings:

I was doing it all alone and I was not good with some parts (marketing, etc). So unless you don't have a strong team, it's kind of hard to stay on the track.

What the founder would have done differently:

More planning before starting something. Gather few people to help you along the way.

Why it failed

fail to monetize. the website is still live (yuzhu.me) I am just no longer update it.

Key learnings:

spend more time think about how to monetize it. instead of keep building feature

What the founder would have done differently:

not working on it at all

Today, this founder is working on:

no side project at the moment. looking for a remote Ruby on Rails dev job (My Github: https://github.com/1c7)

Why it failed

I wasn't solving a problem for myself and I lost motivation

Key learnings:

Making a startup happen is hard - even if the market is huge, it will be hard to stay motivated if you don't solve a problem for yourself.

What the founder would have done differently:

It's important to solve things people want - but unless you have a super strong founding team it will be tough to stay on track if it isn't something you want personally.

Why it failed

I got discouraged by big competitors and quit

Key learnings:

Know your competition super well from day 1

What the founder would have done differently:

More research and planning at the beginning. A game plan of how we would compete and how our product would be better.

Why it failed

I did not know that StartUp should be sold (exited). I thought I should create it and then scale. But in fact if you found working business model you can sell it to existing huge companies on this market. Otherwise they will easily copy it and you can die

Key learnings:

90000

What the founder would have done differently:

Create the same product but for another existing business. You both will earn enough.

Today, this founder is working on:

industrial marketing