Crossword puzzle clue "something you might get two 20s for"

Something you might get two 20s for?

Baffles (ABOUT THIS PUZZLE: If you saw the headline "Fiend Found!" you might instantly notice that, between the two words, only the vowels change — the consonants stay put. Okay, if you were me, you'

Bills you might break 20s into

"Something you would cheat on if you knew you wouldn't get caught." "___" (also, the source of this puzzle's theme answers)

You might rate them on their route and they might rate you on you vomited everywhere

You might have one to visit Japan, but you'll need a bunch once you get there

What conceited Jill gives for two 20s and a 10?

How something might crumble, or how you might love someone