get a leg up

an arm and a leg

Usually used after the verb cost, but also often charge, pay, and spend: a very high price for an item or service; an exorbitant price

break a leg

Good luck!; Do your best!; Said to someone wishing they perform well in a theatrical production or comparable endeavor.

can't get enough

Greatly enjoys; likes a lot.

could not get elected dogcatcher

Said of someone, particularly a politician, who is extremely unpopular.

don't get someone started

Used to attempt to avoid or abbreviate a discussion that speaker or hearer may wish to avoid.

five will get you ten

I strongly believe.

get a charge out of

To derive excitement, entertainment, or pleasure from.

get a clue

To become aware of the obvious reality of a situation, often used as a command to indicate frustration