Answer: dollarstodonuts

AnswerCrossword Clue
DOLLARSTODONUTSConfident words from a bettor
DOLLARSTODONUTSSweet odds?
DOLLARSTODONUTSChances are
DOLLARSTODONUTSMore than likely
DOLLARSTODONUTSAbsolute certainty, in slang
DOLLARSTODONUTSBy all odds