The flea market and garage sale season are always popular. Here’s what you need to know to make your next flea market or garage sale outing a success.DO arrive early. This is true for flea markets and garage sales. The good stuff really does get snapped up quickly. Remember you’ll have lots of competition from professional dealers to part time eBayers to the flea market and garage sale junkies who all start at the crack of dawn.DO look for items with potential. A fresh coat of paint can revitali.