On ABC's "Shark Tank," Shark Kevin O'Leary is known as one of the toughest negotiators on the show, digging his heels in on deals he thinks are fair and fearlessly pushing for what he believes he deserves. And he's got some good advice on how you can negotiate for the things you want in your own life too, whether it's your salary or your cable bill.

"You know, in life, you'd be surprised if you ask for things, sometimes you get them," O'Leary tells CNBC Make It. "Squeeze heads every time you can. Yeah, it sounds like work, but it's worth it."

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