Calling all Craigslist scrollers and yard salers: Start saving a little mad money to spend at the Catlin Gabel School’s 64th ANNUAL RUMMAGE SALE. One of the largest fundraising sales in the world, the four-day event fills 100,000 square feet of the Portland Expo Center with donated items for sale. Look for antiques, furniture, clothes, toys, electronics, computers, music, videos and DVDs, jewelry and sporting goods. This year’s motherlode includes Tiffany jewelry, oriental carpets, antique furniture and fine art. A first-time online presale will take place in October (go to catlin.edu/newrummages//index.php). Proceeds from the sale benefit the student financial aid program at Catlin Gabel School.