How to Balance Full Time Job and Entrepreneurship

When was the right time for you to actually goal full time with entrepreneurship? I think a lot of aspiring entrepreneurs will get to the process of saying, okay, as long as this thing can pay my rent and my basic utilities and basic expenses. And then you do that and you figure out, very rare instances do you actually get to that point? You often get to a point where, if it's going well, but the dollars just aren't there yet.