Hi Charles,
You can do this with a true/false property and a countdown timer.
Like this.
Or storing them in a relationship property and then use the countdown timer to delete them.
Like this.
Sorry. The list in the select screen should be Logged in user’s>items(created by) not removed items.
I think the first one ( true/false property) will be good.
For delete all items ones you can use this method too.
Example:
Thank you