Startup Founders, What Advice Would You Give to Someone Starting Their Journey? (im in B2B saas)

I’m reaching out to experienced startup founders for advice. If you could go back to when you first started, what’s one piece of wisdom you wish you had? What lessons have you learned that could help someone just beginning their entrepreneurial journey? From navigating challenges to building a strong team or finding product-market fit, dealing with VC, taxes, company registration and etc, I’d love to hear your insights. Whether it’s about avoiding common mistakes or mindset tips for staying resilient, your guidance could be incredibly valuable for those starting out. Share your story or any advice that you think would make a difference!