into the bargain

ADVERB
16 LETTERS · STARTS WITH I

into the bargain is a valid 16-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1T1O1T1H4E1B3A1R1G2A1I1N1
1 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 2 + 1 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does into the bargain mean?

ADVERB · 1 SENSE
1

In addition; over and above what is expected.