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SHARK TANK Daymond John, Barbara Corcoran, Mark Cuban, Kevin O’Leary, Lori Greiner and Robert Herjavec are the “Sharks” on ABC’s “Shark Tank.

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Here are seven ways that these and other Shark Tank starspinch pennies to preserve their wealth.

News he vowed never to wear a watch again.

The former Dallas Mavericks owner says that for him, not wearing a watch represents freedom.

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Thats a big contrast with Cubans fellow Shark, OLeary, who is known to love buying expensive watches.

His costars sometimes rib OLeary about this buying habit.

Todd Graves Doesnt Fly on Private Planes

Graves told E!

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News he cant stomach the cost of taking private flights, at least when hes traveling internationally.

For those dollars, Ill just get on a regular plane, the he said.

She told GOBankingRatesshe never flies first class, no matter where shes going.

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Lori Greiner Doesnt Buy Expensive Cars

The Queen of QVC told E!

News buying expensive cars is too risky for her liking.

Greiner has said that she would never buy a Lamborghini that could get crashed and ruined in a minute.

The shark joked to E!

News that you’ve got the option to see the money burning off them.

Johns system works by splitting your earnings into three buckets or dollars.

The first dollar pays for necessities like food, bills and housing.

The second dollar should be used for investments.

Finally, the third dollar can pay for luxuries.

In other words, luxuries come last.

John said that most Americans tend to forget this rule.

Chris Sacca Doesnt Buy Things He Doesnt Need

Sacca may have the most frugal advice of all.

People get out ahead of themselves in debt with spending on all of their desires,Sacca said.

Just dont spend your money and youre well on your way to becoming a millionaire.

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