What signals do you look at before building a startup idea? I analyzed 50 ideas and found some patterns

I've been studying early-stage startup ideas recently.

One thing I noticed:

Many founders don't fail because they can't build.

They fail because they spend months building before validating whether the problem, market, and customer are strong enough.

After analyzing 50 startup ideas, these were the most common risks I found:

1. Weak pain point

People say "interesting", but nobody is willing to pay.

2. Crowded markets without a clear advantage

A slightly better version of an existing product is usually not enough.

3. Customer acquisition is underestimated

Building is often easier than getting the first customers.

4. Target users are too broad

"Everyone" is usually not a real customer.

5. Founders don't test critical assumptions early enough

They optimize the product before proving demand.

I'm building a tool called Ainexa to help founders pressure-test ideas before spending months building.

I'm currently looking for founders who are willing to share their ideas and get a free analysis.

If you're building something:

What are you working on?

Drop your idea below. I'll analyze the biggest risks and share my thoughts.