Pay Off Credit Cards After 30 Days -- or Don't Use Them at All Credit cards serve a useful purpose, but they can also lead to debt if you don't manage them responsibly, which is why Cuban gave this advice to consumers.

If You Have Credit Card Debt -- or Any Debt -- Pay It Off Before Making Other Investment "The best investment you can make is paying off your credit cards, paying off whatever debt you have,"

Negotiate Using Cash Cuban has long preached that cash is king, and he told Vanity Fair that having cash available can ultimately save you money

Books Are Always a Good Investment Although Cuban is an advocate of living cheaply and saving as much as possible, he believes that a good book is the one thing that's always worth the money.

Keep Your Money to Yourself Cuban doesn't seem to believe the old adage, "Sharing is caring." In an interview with The Dallas Morning News, he advised potential lottery winners to think twice before lending money to anyone

Don't Make Rash Money Moves Based on Market Fluctuation The coronavirus pandemic has wreaked havoc on the markets -- but Cuban said that this is not a time to panic.

Avoid Taking Out Bank Loan Cuban is passionate about avoiding debt, whether it's credit card debt or a loan from the bank.

Use Your Money To Buy Time "I value my time a lot more than my next dollar," Cuban told Barbara Corcoran on her podcast, "888-Barbara."

Refinance Debt When Interest Rates Are Low Although there are numerous downsides to a recession, one of the silver linings is low interest rates