Meanings
Alteration of “in for a penny, in for a pound”, adapted to the denominations of the American currency (£ & d → $ & ¢). Nevertheless, “in for a penny, in for a pound” is used in the United States as well.
How to pronounce "in for a dime, in for a dollar":
AU
Americanized form of in for a penny, in for a pound.
Example Sentences
1
You might as well buy the whole set. After all, in for a dime, in for a dollar.
2
I know it's a long shot, but I've already entered the contest, so in for a dime, in for a dollar.