Product-Market Fit (PMF) is crucial for startup survival and success.PMF means offering a must-have solution, not just a cool product.Startups fail if they don't prove their product's necessity and appeal.Launching a unique, irreplaceable solution ahead of competitors is vital.Disruptive ideas are often criticized but can lead to significant success.Understanding and addressing user needs is fundamental to achieving PMF.Experimentation, rapid prototyping, and user feedback help in finding PMF.Building consistently valuable solutions is essential for PMF.Interest from users doesn't guarantee PMF; repeatability is key.Pivoting and adapting to changing market conditions are crucial for sustained PMF.