E ticket

buy a ticket to

Used to indicate that someone is in agreement with an assertion, statement, or suggestion.

golden ticket

A qualification, person or thing that can provide positive opportunities.

meal ticket

Someone or something that provides income or livelihood, especially as an exploited source.

one-way ticket to Palookaville

Something that results in failure or obscurity, with no chance at redemption; a dead end.

punch someone's ticket

To put someone, especially oneself, in a position to advance or to achieve a desired objective; to gain useful experience.

that's the ticket

That's just right; that's just what is needed.

ticket to ride

Something that enables one to do something which would otherwise not be possible.

write one's own ticket

To be empowered to choose whichever job, financial arrangement, or course of action one desires.