'Shark Tank' star Kevin O'Leary says get married sooner, have more kids — and forget about the costs

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• Kevin O'Leary says people should get married sooner and have more children.
• The "Shark Tank" star wishes he had kids a decade earlier so he could have been a young parent.
• O'Leary said people should focus less on building wealth as family is more important.

Don't wait too long to have children or you might regret it, Kevin O'Leary says.

"I wish I'd had my kids 10 years earlier,"...