Drawing Lines With Follow Up

[Gabriel Wheeler]

I was just wondering how it was that everyone knows when to stop following up with a potential lead. I've heard a lot of people say that when someone says "no" we should take it as "no not yet". So at what point do you call it quits? Do you wait until you get yelled at? I feel like that won't help build a very good reputation in the community. Just trying to learn, not judge :)