put all one’s eggs in one basket

put all one’s eggs in one basket Fig. to make everything dependent on only one thing; to place all one’s resources in one place, account, etc. (If the basket is dropped, all is lost.)
- E.g. Don’t invest all your money in one company. Never put all your eggs in one basket.
- E.g. I advise you to diversify and not to put all your eggs in one basket.