Is “Overbuy” a Scrabble word?
Yes
OVERBUY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Overbuy
verb
1.To buy excessively, especially to buy more than one needs or can afford
2.To buy at an inflated price