The owner of Tinder and Hinge looks tantalizingly cheap. But is it really?It's not often that one can find a leading internet stock for a bargain price, but Match Group (MTCH -3.32%) may be one of those rare finds.Or is it a value trap? On the surface, Match has a lot of the makings of a bargain stock opportunity. But investors should home in on this one singular aspect of its business that will be the deciding factor.Match Group controls most of online dating lifeMore and more people are finding love onlin ...