Your Costco Favorites Are Actually So Much Cheaper on Amazon Today

Say goodbye to mess with Seventh Generation's all-purpose cleaner. This eco-friendly formula promises to cut through grease and spills, leaving only a pleasant lemon chamomile scent behind. At nearly $13 for four 23-ounce bottles, this option actually gives you more for less than what Costco has on its site.

Speaking of cleaning, now's a good time to pick up some microfiber cloths. These tiny towels do an excellent job at picking up curbs and spills—not to mention they're reusable, making them a solid choice for anyone who wants to cut down on waste. Currently, you can grab this 12-pack for just $3 less than a similar option from Costco.

Whether you are packing for an impromptu picnic or freezing some unused veggies, food storage bags are the gift that keeps on giving. Not only does this gallon option from Ziploc offer its signature Grip 'n Seal technology to keep leaks to a minimum, but it's also cheaper to buy them on Amazon. Right now, you can grab two 80-bag boxes for slightly less than the 152-count version Costco sells.

Get ahead of cold and flu season with these three-ply tissues from Kleenex. At first glance, it might look like Costco's 12-box set is the better deal, but, this option from Amazon offers about 200 additional tissues for just $3 more.

Hydrate your lips for less with this fruity bundle from Chap-Lip. This 24-pack has a bunch of fruity scents like watermelon and mango. Plus, it's actually cheaper than the 12-pack of ChapStick Costco sells on its website.

Stay hydrated on clean, impurity-free water with the help of Brita's beloved water pitcher. Large enough to hold up to 10 cups of water, this pick comes with two filters to give you a clean, safe sip. Not sure when you swap out a filter? A smart light will do all the legwork for you. Best of all, the Brita pitcher is nearly $20 less on Amazon than it is at Costco.

Write this down: Amazon's having a Prime Day lightning deal on Pilot's gel roller pens. At 60 percent off, you can grab a pack of 12 for as little as $12. What that really means, however, is that you can buy two packs of pens at Amazon for only a few dollars more than the price of one 20-pack option at Costco.

While you're at it, you might as well stock up on some paper. Fortunately, Amazon has shaved a few dollars off a set of nine legal pads, making them even less than Costco's version. Whether you use these pads to take notes or doodle, sticking with a hard copy has never felt so cheap.

You can think of Arm & Hammer's laundry detergent as great value with some muscle. While this powerful formula can cut through stains, it's also cheaper and can accommodate more loads than Kirkland's soap. To give you coms context, Kirkland's is $19.99 and contains enough liquid for 146 washes. Amazon's, on the other hand, is about $6 cheaper and can wash more.

Come morning, put a pep into your step with a jolt of java. Thanks to its easy-to-use design, getting your caffeine fix can be as easy as popping one of these pods into your Keurig machine. Right now, you can get a 80-piece variety pack of Victor Allen's Coffee pods—which includes varietals like morning blend, donut shop, 100 percent Colombian, and Italian roast—for less than the Tully ones Costco sells.

Yes, Amazon's Prime Day offerings are so good that you can even save a few bucks on Colgate's Optic White toothpaste. Made for those who want brighter teeth, this popular paste is designed to fight stains. And, since Amazon's listing is slightly cheaper (by $10, to be exact) than what you see on Costco, you'll have plenty of reasons to smile.

Want to add some extra oomph to your cleaning product spree? You can pick up a 24-pack of heavy-duty sponges for $12 on Amazon. That's a few dollars less than the two-dozen bundle you can buy through Costco. Not only are these absorbent sponges designed to be quick-drying and stench-resistant, but they also have an ergonomic S-shape for an easy grip.

Lather up for less with this trio of Dove's sensitive skin body washes. At first glance, they might be more expensive than what you see on Costco, however, this listing from Amazon offers an additional 20 ounces of formula for just a few dollars more. Translation: If you're looking for a great value, this is it.

During Prime Day, you can purchase this 56-piece food storage set on Amazon for the same price as Snapware's 38-piece set on Costco. In other words, avid meal preppers will find the best value in Amazon's offering. Made with BPA-free plastic, this leak-proof option is microwave, freezer, and dishwasher-safe. Dig in!

Here's your sign to bring a little bit of the Prime Day fun to your bathroom. Right now, you can pick up a two-ply, 30-roll set toilet paper bundle on Amazon for a few dollars less than a similar option on Costco's website.

For a Prime Day deal that's truly a chef's kiss, check out this cookware set from T-fal. With 17 pieces ranging from strainers, to frying pans, to larger pots, this robust set is well equipped for whatever your recipe requires. Bonus points: It's only $10 more than the T-fal 10-piece set Costco sells, so you're getting more for your money.