Your lead source wants to know
When you get a sales lead, do you always tell the lead source how it turned out? You should, because that’s how you get more leads and better leads. It’s a matter of common courtesy. When people go out of their way to help you, they want to know what happened. Otherwise, they may assume you never followed up, in which case you’ll never get another lead from them.

Don’t just close the loop on leads that pan out. Those are the most fun to talk about, but your lead source needs to know about leads that went badly. In fact, it’s more important to report back on leads that go bad, because the lead source may need to contact the lead to keep that relationship intact. On top of that, if the lead source knows what happened, he or she may be able to help you turn things around.

When you give feedback quickly and honestly, you’re telling the lead source you are professional, responsible, efficient, and thankful. You’re the kind of sales person people want to help. You’re the kind of sales person people want to introduce to their most trusted friends and colleagues.