If you’re still not sure whether your idea is good enough, here are some ways to make sure: Run a survey. It’s easy and low-cost, but it will give you quick answers from real people. (we were surprised by how few entrepreneurs did it!) Reach out to key influencers in your industry. Use LinkedIn or simply search for their name on Google; then shoot them an email and ask if they’d be willing to chat with you about your product idea.