On a budget, Philopappos Hill still earns its price.
Free
This is the locals' secret weapon: shaded paths, a gentle climb, the ancient Philopappos Monument, and a face-on Acropolis view that beats any paid vantage — gorgeous at golden hour. The catch: the marble paths get slippery and the upper sections are exposed, and it's enough of a walk that flip-flop tourists turn back.