> Not related to your employer’s line of work. Um, wait. What’s the definition of related? [...] I don’t know. It’s a big enough ambiguity that you could drive a truck through it. No, it's not that ambiguous at all. The courts rarely side with the company, and only in cases where it's quite obvious the work was directly related. If your side project isn't directly related to the work you are doing, then you don't nee…
Early in my career I did this. Now I go the exact opposite tack. Tell your employer. Get it cleared in writing. If you work at a company where that is a problem, then consider your side projects non-commercial for perpetuity, or get a new job.