Tip whatever you like, the article is just telling you how to get on a bartender’s good side. If that doesn’t matter to you, then don’t worry about it.

Easy, then don’t drink there. Places charge based on the market they are in. The bartender doesn’t set the price, and the owner only partly does. “wholsale prices” bars pay for their inventory are as dependent on location as real estate prices are. The “wholesale price” for rail gin in Manhattan is probably 3-5X what…