put one’s money in something—invest one’s money in a business in the hope of gain:
- People are advised not to put their money in companies where there is a high risk.
put one’s money on something—(also: lay one’s money on something)
1. stake a sum of money on smth. such as a sporting event:
- If you’ve got any sense, you’ll put your money on that horse I told you of.
2. favor smth.; expect smth. to succeed:
- I haven’t really seen any technology to this date that I would put my money on.