Once you allow a search or entry to your property (car, house, etc.), you are opening a potential Pandora’s box. If they were out to get you for some reason (need to fill a quota, have a grudge or have a relative/friend with a grudge, etc.) - they could find the slightest pretext to drag you through the legal process.
And wait ‘til smoking cigarettes and drinking at home become illegal.
You're not kidding.
Have you ever seen those little cases for people to put pills in by day so they properly take the prescribed dosages at the proper time? Well it is a felony to store prescription medications in containers other than that with the label on it. There are far too many laws in this country for you to ever waive any of your rights voluntarily.