15 Random (But Useful) Amazon Purchases Under $20 Worth Getting

Whether you struggle to unscrew the lids off your jars or you just can't reach that box at the top of the shelf, everyone can benefit from a handy gadget or two to help them get through the day.

These Amazon products are not only affordable at under $20, but they also help make your daily tasks far more manageable. Amazon Prime members can save even more money on these goods that make your life a little easier.

Editor's note: Prices and availability are subject to change and may vary by location.

Price: $5.99

There's nothing more frustrating than misplacing your glasses. Instead of relying on cheap chains or cases that break, snag this $6 eyeglass holder from Amazon. It magnetically clips to your shirt, making the perfect hanging spot for your lenses.

"The magnet on this is so strong that it stays in place on my shirt despite all of the movement," shares one Amazon customer. "Keeps my glasses safe and in place all day."

Price: $6.99

Having limited mobility or strength can greatly affect how you work in your kitchen. If you tend to have trouble opening jars or unscrewing caps, you might want to pick up this handy tool.

This opener gadget has opening sizes for all lid sizes and easily slides on for a smooth removal, no need to strain your wrist or hand. Pick this one up in a blue and grey design for only $7.

Price: $7.99

Do you ever struggle to get out of the car, worried you might need someone's help or injure yourself? This ergonomic car door handle fits snugly into your car's door latch. Simply open the door, insert the handle, and you're free to place your weight on it to exit the vehicle.

"I recently had back surgery, and this tool has been a game-changer, making it so much easier to get in and out of my car without putting strain on my back," says one reviewer.

Price: $6.99

Whether you're getting up in the middle of the night to grab a drink of water or headed to the bathroom, it can be tough to navigate dark halls without bringing a flashlight. Place these motion-sensored night lights into your home's outlets and never worry about tripping in the dark again.

This two-pack of lights has three adjustable brightness levels and will automatically turn off after 30 seconds of inactivity. For only $7, these are a total steal.

Price: $14.99

Say goodbye to hand aches and pains when you try to insert and turn your door keys. This key turning tool fits easily onto your keys and makes opening doors much easier. If you want more than one, pick up a three-pack for only $26.99.

"I'm amazed at how easy this makes unlocking my house door," writes an Amazon customer.

Price: $9.79

If you've never used a dressing stick or shoe horn before, consider this your sign to give them a try. This tool combines those two products into one, with an adjustable dressing aid which helps minimize twisting, reaching, and bending.

Whether you're trying to put on your jacket, pants, shoes, or socks, this long-handled tool has a shoe horn on one end and a dressing hook on the other.

Price: $19.99

This would be the perfect gift for a loved one or simply a treat for yourself. Indulge in a mini foot massage with this affordable foot roller, available on Amazon for only $20.

Whether you struggle with plantar fasciitis or other foot discomfort, this roller targets foot pain and deeply massages for better circulation. Made of high-quality wood, it can be used at home, work, school, or even at the gym.

Price: $13.99

Do you find yourself constantly searching for important items or documents that always seem to go missing? This combination lock bag is perfect for holding passports, birth certificates, health documents, or anything you need to keep safe.

It's weather-proof, air-tight sealed, and comes with a lock to keep everything inside secure. It's also great for taking around while you're traveling to ensure your valuables are protected.

Price: $8.99

Another travel item you don't want to miss? This ergonomic water bottle opener. If you have limited wrist or hand mobility, then you understand that opening a bottle of water isn't always a piece of cake.

Simply insert this tool onto the bottle and twist using the side handles, which are far easier on the hands. Pick up this multicolored three-pack for only $9.

Price: $9.99

Who needs a second pair of hands when you have your own applicator? Reaching your back can be a difficult task by yourself but this tool makes it easier than ever. Simply apply your medication or lotion to the soft silicone applicator and use the handle to reach behind you.

One Amazon reviewer says it's a "lifesaver" for their 86-year-old dad.

Price: $9.99

No more struggling to remember if you took your medication or vitamins. This handy pill organizer comes with 28 boxes, perfect for organizing your entire month. The boxes even come with the days of the week and can fit multiple pills at a time.

Price: $19.99

Some alert buttons can cost hundreds of dollars, and if that's simply not in your budget, don't worry—Amazon has a $20 version that has a transmitter range of up to 1,000 feet.

All you have to do is press the button, and the plugged-in ringer will set off on one of its five volume levels, alerting whoever is nearby. Keep the call button close on your bedside table or even wear it as a necklace for extra safety.

Price: $19.99

If you love to cook but your hands struggle when it comes to slicing up your food, try this ergonomic one-handed rocker knife, perfect for cutting meat, vegetables, and more. It comes with a stainless steel blade and a solid wood handle.

Reviewers rave that they no longer have sore knives after using this.

Price: $17.61

Speaking of cutting vegetables, this electric veggie chopper makes food prep so much easier. No need to hurt your hand individually slicing every single piece of produce for your favorite recipe. Simply toss them into the chopper and press "start."

You can chop, grind, puree, or emulsify with one tool. When you're finished, place all of the parts in the dishwasher for easy cleaning.

Price: $9.99

Everyone can use a grabber tool in their home. Whether you're picking up trash, dusting a tall shelf, or reaching for the remote on the coffee table, this lightweight and extendable tool makes daily tasks much simpler, and can help your back in the process.

With products like these, not only will you be able to save yourself some frustration from opening that jar of mayonnaise, but you'll be able to save yourself cash while you do it. Instead of overspending on pricey gadgets, check out Amazon for hot deals you won't want to pass up.

When you shop at Amazon, make sure to use your top cash-back credit card to earn rewards on everyday purchases. To go the extra mile, you could even apply for an Amazon Prime card to earn even more.