Originally Posted by
HardLessons 
I'm sure since you have a pool you also have a fence around your yard?
If yes simply put a lock on the gate. Add a sign which says No Admmitance without permission
End of story
Thanks.
...without positive contact giving permission that day, on which you will open gate.
I would also tell them you checked insurance and you can't live with the premium or the anxiety. God forbid, and all that.