Half-safe ways can be expensive (4)

(Source: London Evening Standard)

General meaning ⇒ something that can be expensive

"Half-safe" ⇒ half of the word "safe" ⇒ i.e. "fe"

"ways" ⇒ directions? ⇒ points of the compass ⇒ e.g. East and South ⇒ "es"

Answer ⇒ fees