I highly suggest getting some opera glasses and keeping them in your car's glove box at all times. I first got the idea when I was high and two cars were in front of me at Taco Bell. If only I could see further I could start deciding what to get from the menu instead of just sitting like a dope waiting to get close enough to look.

Sometimes the drive-thru will be a solo venture with no wait, hell, most of the time you may know what you want, but it doesn't hurt to have these just in case when the situation demands it. It is a classy experience to use this fine instrument, reading up on what you want and at peace with the pile up in front of you.