How do you track prospects who ask for delayed follow-ups?

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Using a separate nurture stage in the system
2. 2
   Closing the deal and setting a manual reminder task
3. 3
   Assigning a next contact date field while letting deals sit
4. 4
   Giving every open item three fields: owner, next action, and a date when the next action is due.
5. 5
   Using a plain three-column list (waiting on me / waiting on them / done) with a next-action date.
6. 6
   Putting the next step in the same sentence as the reply so it becomes a trackable promise.
7. 7
   Notebooks
8. 8
   Excel
9. 9
   Memory
10. 10
    Checking status the next morning

In their words

Unedited, most upvoted first, each linked to the thread it came from.