With the Christmas holidays upon us, we're all looking for ways to save money wherever and whenever possible. One way to do that is to take advantage of the bulk-buying options at places like Sam's Club and StackSocial is now offering a membership for just $20 for a full year. You'll need to act soon though, this deal is only going to run for a few more days before it's gone.

Sam's Club can help you save on a variety of everyday purchases, including groceries and kitchen essentials. You'll also get exclusive prices at select Sam's Club gas pumps, along with free flat-tire repair, battery testing and windshield-wiper replacement. On top of this, your membership comes with additional perks outside the store, such as discounts on hotels, rental cars, live events, attractions, movies and more.

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Also, Sam's Club sells more than just everyday goods. The big-box store has a huge selection of electronics like TVs and robot vacuums, as well as furniture, clothing, jewelry, games and plenty of other items. So no matter what you use it for, your Sam's Club membership will pay for itself in no time. You can also get curbside pickup for a flat fee of $4 an order, which is a massive time-saver when you've got a busy week, as well as a same-day delivery option for just $12 an order.

This deal is only for new memberships (or those whose memberships lapsed over six months ago) and not renewals, and once you sign up, your membership will automatically renew each year at the standard price until you cancel. If you decide you do want to cancel, you can do that on the company's website.

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Want to check out the competition? We researched which grocery store is cheaper between Aldi and Trader Joe's, so you can see if Sam's Club is worth it. You can also get a Costco membership for only $20 right now (join for $65 and get a $45 Costco gift card).

This is a digital deal, so you'll receive it almost immediately after making your purchase. That means you don't need to worry about shipping deadlines for USPS, FedEx, UPS, Amazon and others if you're buying this as a holiday gift. Instead, you'll be able to print out the access code and slip it into a card or stocking anytime or have it emailed directly to the recipient. If you want to see other last-minute gift ideas, check out our roundup of more great digital deals for the holidays.

This offer does appear now and then, but there's no way of knowing when it will resurface. StackSocial occasionally lists how long a sale will last, and this deal is set to expire soon. If you're interested in joining Sam's Club, then it's worth grabbing it right now -- especially at less than half the usual cost of an annual membership.