12 things you only need to buy once in your lifetime

But sometimes it makes more economical sense to spend a bit more and buy that long-lasting product. Trouble is, how do you know when to splurge and when to save?

We chatted to Tara Button, founder of Buy Me Once, an online store that looks at customer reviews, to find out which are the most durable products that we should think about buying.

Keep scrolling to find out her top recommendations for your once-in-a-lifetime purchases:

Le Creuset Cooking Pot, from $130

Darn Tough Socks, from $19.30

Vermont-based sock company Darn Tough has a range of all-weather socks for men, women, and children. The secret ingredient is merino wool, which is designed to keep feet warm in winter and cool in summer."

Davek Umbrella, $149

Davek umbrellas were created in New York with the city's extreme weather in mind. The main umbrella canopy is made with 190-thread-count fabric and built to weather any storm. They come with a lifetime guarantee that covers breakages, and if you lose it, you're entitled to 50% off the replacement.

Buy online here.

SunGod sunglasses, $85 for a custom pair

These sunglasses come in three different styles and multiple colors. The frames are so bendy that they claim to be "adventureproof." If you do break them, you needn't worry, as all glasses are covered under a lifetime guarantee.

Buy online here.

Dr. Martens Classic "For Life" 1460 boots, $230

This is the "for life" version of the Dr. Marten classic boot. They are built to last a lifetime, but if they do start to wear out, Dr. Marten will replace them for you. Each pair comes with an extra set of laces and a special balm that protects the leather from the elements, keeping it soft.

Buy online here.

One World Futbol, $39.50 (blue)

The "One World Futbol" is slightly heavier than your average soccer ball, but the difference is that this ball will not puncture or go flat. It's made by a company that supports sports for underprivileged children; for every ball you purchase, another is donated to a child in a developing country.

Buy online here.

The Manduka Pro yoga mat, $108

This mat claims to get better with age. According to Button, new owners should treat their mat like a fine ham and sprinkle it with coarse sea salt to break it in and improve its stickiness. It comes with a lifetime guarantee.

Buy online here.

Solidteknics AUS-ION Skillet (10.2"), $111.99

Buy online here.

Duluth Pack Bushcrafter backpack, $470

Duluth Pack has been creating outdoor gear for over 100 years. Its Bushcrafter backpack is expensive, but it's built to last. If it doesn't, the company promises to fix any bag sent back to them, no matter how old it is.

Buy online here.

Cariloha Classic Bamboo bed sheets, $179 for queen size

These pricey sheets are made of 100% bamboo.

"cotton Each pack comes with one fitted sheet, a top sheet, and two pillowcases.

Buy online here.

Saddleback leather classic, $719-$859 (depending on size)

The tagline of the Saddleback Leather Company is: "

Buy online here.

Marie Hell Quiver tunic, $210

Marie Hell designer Eileen Mandel is bucking the current trend of buying cheap clothes and discarding them after a few wears. Her line of plainly colored dresses are built to last a lifetime. If they ever rip, the company will pay $30 towards repairs.

Buy online here.