Feature of six other long answers in this puzzle

Question:

Answer:

HIDDENCOSTS

Length:

Similar Crossword Questions:

Feature of this puzzle's three long Down answers
Simple substances split in eight long answers in this puzzle
"Be careful what you say," and a hint to a feature shared by this puzzle's perimeter answers
Chemical reaction phenomenon, and what occurs in four symmetrical pairs of long answers in this puzzle
Provide recon, and another hint to this puzzle's long answers
Big bank held by this puzzle's long answers
Thought hidden in eight long puzzle answers
Game in which the puzzle's long answers are pieces
Weather Channel feature (it's the puzzle theme found in a quintet of answers)
Show since 12/17/1989 whose five main family members are hidden in this puzzle's other long across answers
Main thoroughfare in Manhattan (one can be found in each of the four long answers in this puzzle)
Magic words ... or a hint to the other long answers in this puzzle
Each of this puzzle's long Across answers sounds like one
Picnic serving, and when divided properly, a hint to a hidden feature of six pairs of puzzle answers
They're hidden in seven long answers in this puzzle
Feature of this puzzle's theme answers?
Business term found in eight long puzzle answers
State short forms strung together in 12 long answers in this puzzle
What each of the four long answers in this puzzle is
Cryptographers' successes (and what can be found in the circles in this puzzle's long answers)
TV feature, and a clue to six other answers in this puzzle
Movie good guys responsible for the circled squares in eight long puzzle answers
Event where the number 12 is important, and a feature of 12 two-word answers in this puzzle
Speak derisively, and a hint to how this puzzle's long answers were created
Brief version of this puzzle's title hidden in eight long puzzle answers