Is tipping an expression of gratitude or a mandatory payment?

Is tip part of the chargeable fee? Is it mandatory or is it a social norm? If the institution expects the customer to tip, why not add that on the original bill?

Isn't the client paying for the product and service already? I love a gesture of appreciation for a good service , but if it's expected how can it be a gesture of gratitude.?

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TheunderdogofNY · 36-40, M

It's a social norm in the US. But it's the expectation of a tip that turns me off. Tips should be earned not simply given just because.