Absolutely ensure validation before construction. Without a doubt. Additionally, prioritize positive cash flow—it reigns supreme, no exceptions. Pursue something you are genuinely passionate about. Identify the challenges that resonate with you deeply, the ones you are eager to address. Lastly, based on my observations, many venture into building ventures unrelated to their core passions. While I can't guarantee the success of what I'm working on, the driving force behind my commitment is an authentic love for the daily pursuit of solving a meaningful problem.