How to rock purchasing/selling at yard sales!

Spring is here, friends!  Our allergies are flaring, the tulips are blooming, and people are purging.  April generally kicks off the three to four months of yard sale season.  My favorite season of all.  To establish my credibility here, let me tell you I am a passionate yard sale shopper.  I come by it honestly, I have learned from generations of women before me who were not even trying to pay full for something.  My kids wear nice clothes, our…