put all your eggs into one basket

put all (one's) eggs in one basket

To invest, devote, or commit all of one's energy or resources into a single venture, opportunity, or goal, generally at the risk of losing everything in the event that that thing fails or does not come to fruition. She has all her eggs in one basket with this merger deal. If it doesn't work out, I doubt her company can survive. I applied to several colleges so I wasn't putting all my eggs in one basket.
See also: all, basket, egg, one, put

put all your eggs into one ˈbasket

risk all your money, effort, etc. on one thing, so that if it is not successful, you have no other chance: It may be better to invest a small amount of money in several businesses rather than putting all your eggs into one basket.
See also: all, basket, egg, one, put