Shop the Instant Savings Book at Sam's Club for some of their best discounts this year on groceries, home goods, outdoor fun, electronics, and more. For members, prices are as marked, and many items ship for free. Non-members pay 10% more, or you can sign up for or renew a basic Club membership for $45. For example, the pictured Lifesmart 7-Person 65-Jet Spa (model LS600DX) drops from $3,999 to $2,999 shipped. Similar spas go for over $4,000 at most major retailers. Compare at HomeDepot.com. Sales tax is charged in most states.