Set fan clearance at 9 feet above the floor if possible (if this is not possible, maintain a minimum clearance of 7 feet. This will help you and your family avoid injuries. Conversly, don't fit the ceiling fan too snugly to the ceiling; doing so will prevent it from circulating air properly.
When buying a house, make sure the purchase and sale agreement specifies all the items to be included in the sale. The seller should be clear about any items (the dining room chandelier, for example) that he does not intend to convey with the property, and the buyer should check carefully during the preclosing inspection to verify that everything that is supposed to be included is still in place.