I’m seriously considering quitting my software engineering job to build something of my own. I have around €100k in savings and another €100k invested in stocks. My expenses are manageable, so financially I could give myself a few years of runway without immediately needing the business to succeed. I’m not afraid of working hard. I’ve worked intensely before, and I know I can be disciplined when I care about something. What scares me is working hard on the wrong thing. I don’t want to sp...