To validate a product idea, consider building a minimal version or a related feature rather than a full product, allowing for quicker feedback. Sales is a powerful way to validate interest in a product; getting someone to commit to paying upfront is one of the most validating actions you can take.

Using tools like Typeform and Stripe, you can create a product and even collect payments without extensive coding, which is a great way to test market demand.

The initial audience for Product Hunt was built through years of writing and engaging with the tech community, which helped when launching the platform.

Before launching on Hacker News, we debated whether to build a full product or test a lightweight MVP to gauge interest in our concept.

Launching continuously, even before having a fully functioning product, allows you to practice, refine your idea, and test your messaging with real users.

Press coverage and engaging with makers on Twitter were key tactics for growing Product Hunt's user base in the early days.

I encourage founders to validate their ideas by talking to potential customers before writing any code or raising money.

When launching your product, consider using Hacker News as it's a community of developers who can provide valuable feedback.

To validate a business idea, create a waiting list campaign to gauge interest; if you can't get at least 150 people to sign up, the idea may not be viable.