How I Validate B2B Ideas Before Writing a Single Line of Code

I used to build products first, then find customers. After wasting 6 months building a healthcare analytics tool that nobody wanted, I flipped the process completely.

Now I validate demand before writing any code. Here's my 4-week framework:

Week 1: Problem Hunting Instead of starting with solution ideas, I hunt for expensive problems. I read industry forums, job postings, and customer reviews of existing tools. The goal: find problems people are actively complaining about.

Week 2-3: The Interview Sprint 50 interviews in two weeks with people who have the problem. Not to validate my solution – to understand their current painful workarounds.
My favorite question: "Walk me through what happened the last time this problem cost you money."

Week 4: Reality Check If less than 40% mentioned the problem unprompted, I kill the idea. If they rate current solutions below 6/10 and the problem costs them real money, I keep exploring.

Real Example – Success: Fraud detection tool idea came from 37 out of 50 fintech professionals mentioning false positive alerts as their biggest daily headache. Average time spent: 3.2 hours per day per analyst.

Real Example – Failure: Healthcare analytics dashboard. Everyone wanted better analytics, but nobody had time to act on insights due to understaffing. Great data without resources to implement = no willingness to pay.

The Counterintuitive Truth: B2B customers don't want new features – they want their current pain to disappear. Stop asking "would you use this?" and start asking "how much does this problem cost you?"

Best validation happens when potential customers ask when they can start paying.

What B2B validation challenges have you faced? The customer discovery process is where most indie hackers struggle.

// Meir from gliltech.com- I've been building B2B softwares for 8 years learning from customer discovery mistakes. Happy to share validation frameworks with fellow builders!