How Much Revenue or Usage Should I Have Before Reaching Out to Investors?

Investors probably struggled with education start ups because they found it tough to scale, right end. With new tools like slack and zoma, especially lander school has been able to scale really well. And also the newer eductex start ups are more outcome focused. So i do expect a lot more start ups in at tec aso for at investors. But howmuc ax adoi they av a ce sa a? The question is, how much revenue or usage should i have before i go reach out to investors? Im so i'm not sure of that. It's bexicly running the company is not to go get an investor,. That's just the whole premise