Think Like a Store Designer
When you are setting up your sale: Think like a store-owner. Think like a shopper. You are displaying other people's "treasures" and not your unwanted "junk". Remember what attracted you and what turned you off at other garage sales you have been to.
How to Have a Wildly Successful Yard Sale -- Display Your Goods So They Will Fly Off the Shelves thumbnail
4 Simple Steps to an Organized Garage - Richmond American Homes' Blog
"Avoid pricing every little thing. Sort goods in bins, like these metal breadboxes (pictured above), and stick a single "for each" tag on the lot. If you must mark all your gear, opt for color-coding with labels, and then tack up a prominent key that notes each hue's corresponding cost"