Wrong: Some alcoholic beverages, such as, margaritas and daiquiris, can have as many calories as a burger.
Why: There's a comma after "such as."
Right: Some alcohol beverages, such as margaritas and daiquiris, can have as many calories as a burger.
Why: This one's plain and simple: It's never appropriate to put a comma after the transitional phrase "such as" (same with "including"). Other methods of introducing examples, however, such as "for example," "namely" and "for instance," are always followed by commas.
Next, when verbs come in pairs …