Don't wait until your product is built to start selling. By scheduling a high volume of meetings (e.g., 3-4 per day per founder), you can use those conversations not to sell, but to discover true customer pull, refine messaging, and define your product based on real-time feedback.

Rushing to market without validation is a recipe for failure. Instead, engage potential buyers and proposition leads as 'critical friends' in focus groups. Use their feedback to build a white paper, refine messaging, and create a product they actually need, even if it takes a year.

A common misconception is that you talk to customers to find new startup ideas. Instead, the "Lean Startup" approach is to first develop an idea and a set of theories about the market. Then, you use customer conversations and research specifically to validate or invalidate those theories before you commit to building.

Founders often create complex plans and documents to avoid the simple, hard, and uncomfortable task of selling. Just as getting stronger requires consistently lifting heavier weights, finding product-market fit requires consistently doing the core work of talking to customers and trying to sell.

The ultimate signal of product-market fit is when your go-to-market strategy simplifies to 'get a customer in a room with a prospect.' When customers become your most effective sales channel, you have found it, and your team can 'walk away'.

Sales are a vanity metric for product-market fit. The real test is having ~25 customers who have successfully implemented your product and achieved the specific ROI promised during the sales process. If you don't have this, you have a product problem, not a go-to-market problem.

Founders often believe their product is flawed when facing rejection. However, if they're only speaking to 1-2 potential customers a week, the core issue isn't product-market fit. The real problem is an insufficient number of conversations to validate or disprove any hypothesis. You haven't earned the right to have a PMF crisis yet.

Most sales conversations are polite but unhelpful. The key is to find a customer who both feels comfortable telling you the blunt truth ('you're thinking about it totally wrong') and has genuine 'pull' or a desperate need for a solution. Truth from someone without a real problem is just noise.

Before writing code, dedicate 90 days to high-volume customer discovery. Focus on their problems and priorities, not your idea. This builds a market map, validates the core thesis, and prevents building the wrong product, while creating a warm list of potential design partners.