​I am not at all surprised that many of the wealthiest people on earth have distinct penny-pinching habits that have paved the road to their success and vast fortunes. According to this MONEY article, incorporate some of these habits into your own life and perhaps your own net worth will grow.
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​Mark Zuckerberg drives a $30,000 car

​Despite being able to buy a Ferrari for every day of the month, the Facebook founder drives a non-ostentatious Volkswagon GTI with manual transmission, which costs only $30,000. Other cost saving tricks: He reportedly married longtime girlfriend Priscilla Chan in their backyard, and the two were seen eating at a McDonald’s during their 2012 Italian honeymoon trip. When Zuckerberg bought his most recent home in 2011, a $7 million house in Palo Alto, some called it “still well below his means.”
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​Warren Buffett still resides in the same home he bought for $31,500 in 1958

​Known as the ‘Oracle of Omaha,’ longtime chairman and CEO of Berkshire Hathaway Warren Buffett is one of the richest people on the planet. But he still lives in his 6,000 square-foot, five-bedroom stucco house in Omaha. He's described the purchase as “the third best investment I ever made.” A similar five-bedroom house located next door went on sale in 2015 for a list price of ten ‘A shares’ of Berkshire Hathaway stock, equal to over $2.5 million today.
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​Bill Gates wears a $10 watch

​Forget Rolex. Adorning Bill Gates's wrist is a $10 watch. And perhaps most frugally, Gates remains old-fashioned in that he still likes to wash the dishes at home every night for his family. Dishwashers use electricity after all.
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Carlos Slim Helú, Mexico's richest man, drives himself around town and to work everyday

​Many who dream of being rich dream of a chauffeur. Not Mexican telecom magnate Carlos Slim Helú, who drives himself around town in an old Mercedes-Benz, buys clothes off the rack at his own retail stores, and for over 40 years, has lived in the same modest six-bedroom house in Mexico where he raised his kids.
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Charlie Ergen, founder and chairman of Dish Network, still packs a brown-bag lunch everyday

Of course eating out is super expensive. Dish Network founder battles those costs with a simple and inexpensive paper-bag lunch before work every day, consisting of a sandwich and Gatorade from home. He and his wife have lived in the same Denver house for over 20 years.
Until recently, the Dish CEO also stuck to company policy by sharing hotel rooms with colleagues while traveling for business. As Ergen once told the Financial Times, "My mom grew up in the Depression... I don't have a mahogany desk."

      

  
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If you'd rather not consume chemical pesticides, mysterious food additives, antibiotics and GMOs — in short you'd like your food to be food and nothing else — organic is the way to go. The more frugal way (in the long run) is to grow your own food  if you have the space, whether it's an entire edible garden with fruit trees and vegetables, or a few potted herbs in your kitchen - most of us will buy vs. grow our own.

For those of us operating on a tight budget, organic foods can seem out of reach. With just a few tweaks to your shopping routine, however, high quality organic foods can appear on the menu more often. Here's some tips from Wise Bread about savvy and frugal ways to buy organic food.

Establish Organic Priority
Not all conventional produce is equally toxic. After 43,000 tests of pesticide levels in conventional produce, the Environmental Working Group concluded that consumers could reduce exposure by almost 90 percent just by shunning the 12 most contaminated foods (the "Dirty Dozen") and eating the least contaminated foods instead.

Plan Meals Using Sales Flyers
Meal planning is a great way to keep your grocery budget under control, and if you're going organic, doing so with the help of sales flyers is doubly helpful. Subscribe to email flyers from stores like Whole Foods, Sprouts, Trader Joe's, and Earth Fare to plan meals that utilize the organic foods on sale that week.

Opt for Store Brands
Demand for organic foods has grown rapidly, and traditional grocery chains have taken notice. Many have launched their own brands of organic staples like milk, granola, canned goods, and spaghetti sauce, all for less than popular brands. Just be sure to always look for the USDA organic seal — otherwise it's not certified.

Warm Up to Frozen Foods
The frozen foods aisle is one of the best places to find bargains on organic fruits and vegetables. Use the freezer case to stock up on your favorite organic ingredients for baking, smoothies, soups, and side dishes, and never worry about spoilage.

Buy in Bulk and Use Buying Clubs
Specialty grocery stores like Whole Foods are no longer the only place to find organic foods. What many don't know is buying clubs like Sam's Club and Costco also carry a variety of organic produce and dry goods. They're an especially good place to by certain organic goods in bulk, which is always a cost-effective way to shop.

Practice Nose to Tail Cooking
When's the last time you roasted an entire chicken? Or bought a side of beef? Buying pre-butchered meat cuts is convenient, but costly. Buying less-processed meat, poultry, and fish can save you big time. It also provides ingredients for multiple meals with only one cooking and allows you to make your own sauces and stocks with the bones.