installment selling

19 LETTERS · STARTS WITH I

installment selling is a valid 19-letter word worth 21 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1S1T1A1L1L1M3E1N1T1S1E1L1L1I1N1G2

1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 2 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does installment selling mean?