Patient advocacy is an area of lay specialization in health care concerned with advocacy for patients, survivors, and carers. The patient advocate may be an individual or an organization, often, though not always, concerned with one specific group of disorders.
For me, the best time to buy is either right after Apple updates the iMac lineup, when you can buy the previous model brand new for a discount, or right now in August, when Apple is having its back to school sale and you get a free printer and iPod Touch with your iMac.
If you want to get a great price on a new winter coat or wardrobe, the best time to buy is... December and after. Spring fashions start hitting stores in February, so there's pressure to clear out all remaining winter inventory, like coats, sweaters, pajamas, and shoes. That means big discounts for smart shoppers.