Having all of your resources in one place; putting your money or hopes or future into one thing.
'Eggs' are delicate, and if all of your
eggs were in one
container, and that container was
damaged, you might lose all of your eggs in one quick and painful moment.
1) You don't want to keep all of your eggs in one
basket. You might lose everything!
2) Tom had all of his eggs in one basket -- Yoyodyne.com stock -- and when the
stock market crashed he was
bankrupt.