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7 reviewer-approved hacks for summer — starting at $7

Upgrade your beach days, backyard hangs and more with these solutions.

July is here and summer is well underway! From beach days to backyard nights, there's so much to look forward to throughout the rest of the season.

Shop All Day contributor Chassie Post stopped by TODAY to share some bestselling Amazon summer problem-solvers to help make your summer one of the best ones yet. From a sunburn-soothing find to a spray-free mosquito-repelling hack, her finds are useful for everyone in the family.

Keep reading to see her must-haves, from waterproof lanterns to accessories you'll actually want to wear all summer long.

Amazon fun summer finds on TODAY

Hoyle Waterproof Playing Cards

These cards are one way to make sure that summer fun doesn't slow down, regardless of where you are spending time this season. Whether you bring them to the beach or to the dinner table, these cards are "impervious" to everything — from water to barbecue sauce, Post says. They're made from plastic card stock but are clear, which adds for an extra "cool" element.

RiptGear Mosquito Patches

Skip the bug spray this year and try these innovative patches instead! The brand says they are infused with Citronella oil and are DEET-free, so you can stick them on everything from clothing to tables to backpacks — just not on your skin. They're designed to work in all weather conditions to help keep pests at bay, and you can snag a pack of 78 for less than $25.

LuminAID PackLite Spectra

Have camping plans this summer or plan on spending a lot of time outdoors? Post found these solar lanterns that she says are great for summer adventures big or small. Both the Bright White and Multicolor versions feature LED lights and a USB port, the latter of which can be used to charge your phone or the device itself. The white version can provide up to 24 hours of light when it is fully charged, according to the brand, while the multicolor version can provide up to 12 hours. Both versions, however, are lightweight, waterproof and collapsible.

Odyseaco Waterproof Beach Bag with Cooler

Here's another multitasking find Post loves for this time of year. This mesh beach tote boasts enough room for your towels and sunscreen, but also features a detachable insulated cooler that the brand says is large enough to hold 12 cans, or a mix of drinks and snacks. Plus, it also features a crossbody strap that makes it easier to carry, wherever you're headed.

Sun Bum Cool Down Lotion

Even if you forgot to reapply your SPF, you won't have to feel the sting of the consequences for too long thanks to this hack, Post says. It's formulated with skin-loving ingredients such as aloe and cocoa butter, which help to hydrate and restore your skin after it experiences irritation. Plus, it absorbs quickly and doesn't leave your skin feeling greasy, Post adds. Pro tip: If you want it to feel extra cool when you apply it, keep it in the refrigerator before use.

Velscrun Knotted Headbands (Set of 12)

Post says the knotted headband is the hottest hair accessory this summer and this affordable bundle is an easy way to get in on the trend. The set of 12 costs less than $20 and includes a range of designs that can match with pretty much anything in your summer wardrobe. They're also a great "instant outfit-maker" or "bad hair day" hack for any day of the year, Post says.

Fifata Statement Earrings (Set of 18)

Another set Posts loves for summer is this pack of statement earrings that she says covers just about every trend out there right now. From raffia hoops to resin tropical leaves, there are so many options that you might have a hard time just choosing one to wear. Plus, according to the brand, they're hypoallergenic, lightweight and come with their own gifting box.

More summer finds

Shop All Day contributor Makho Ndlovu previously stopped by TODAY to share some bestselling Amazon summer finds to boost your day in the sun. You can shop her picks below.

Pole-R-Bear Umbrella Hook

Ndlovu says this clever umbrella hook is a must-have and keeps your belongings from getting sandy or wet. Featuring four stainless steel hooks, it's perfect to hang your towels, keys, sunglasses and more!

Keten 16-Inch Beach Umbrella Table Tray

No table nearby? No problem! Ndlovu loves this handy beach umbrella for the items you can't hang. Featuring a place to store your cups, snacks and valuables, it fits any umbrella hole up to one-half inch in diameter.

Master Lock Personal Safe

Whether you're swimming in the pool or walking along the beach, let your mind be at ease knowing your personal items are locked up safely. This compact personal safe comes with a cable to easily tie up to a beach umbrella or chair. Plus, it features a cord access port, so you can charge your devices or listen to music while it's locked.

Zuru Bunch O Balloons

Did somebody say water balloon fight? Ndlovu claims this is a "HUGE hit with kids." Each bunch comes with 35 balloons and each stem easily attaches to the hose. You will be able fill up 100 balloons in 60 seconds, says the brand.

Tendiren Watermelon Slicer

If you struggle with cutting up this giant summer fruit, you're not alone. "This brilliant tool allows you to cut watermelon into perfect cubes, knife free!" said Ndlovu. Its stainless steel and lightweight design makes it easy to use at home or while camping.

Tyhjoy Mini Chip Bag Sealer

"Nothing is worse than stale snacks," said Ndlovu. This 2-in-1 mini bag sealer is designed to give your uneaten snacks an airtight seal and it saves you money by keeping your food fresh for longer. It's compact so you can throw it in your bag for picnics, or hang it on the fridge as a magnet!

Everlasting Comfort Airplane Footrest

You'll feel like you're flying in first class to your next vacation, or close to it, with this plane hack. Ndlovu says it’s like sitting in a recliner with your feet resting on pillows. According to the brand, the memory foam footrest attaches to the seat-back tray table, which helps prevent lower back pain or leg swelling.