Try this
- Choose the minimum notice you need and the channel you actually check for visit requests.
- Explain whether the visitor should wait for an explicit yes before traveling. Keep the rule clear for familiar people as well as occasional guests.
A worked example
“Please check with me before coming by, even if you are nearby.”
An invented example to adapt, not a real exchange or a script you have to follow.
Before you leave it here
Make clear that an unanswered message is not permission to arrive.