There are smarter ways to save money and also time on all your purchases. All you need to do is to surf through the net and identify a dependable and proven source to buy all your requirements in each category.
For example, www.buy.com could be your source for all your electronics, books, jewelry, leather goods etc, purchases , because all you need to do is to grab the sale offers and promo deals that are running currently.
They have good network with all major manufacturers, including Apple, which helps them to sell products at steeper discounts than what most other online sources offer you.