https://techcrunch.com/2021/04/13/five-product-lessons-to-learn-before-you-write-a-line-of-code/

Before a startup can achieve product-market fit, founders must first listen to their customers, build what they require and fashion a business plan that makes the whole enterprise worthwhile. The numbers will tell the true story, but when it happens, you’ll feel it in your bones because sales will be good, customers will happy and revenue will growing.

Reaching that tipping point can be a slog, especially for first-time founders. To uncover some basic truths about building products, we spoke to three entrepreneurs who have each built more than one company: