(finance) Having the proper professional connections will ensure financial success in one's career.

(Britain) Used to express admiration of a person coupled with wishes for their continued success in an endeavour of their own choosing: all the best; good luck.

(idiomatic) Do not criticise matters outside your field of expertise; mind your own business.

Alternative form of cobbler, keep to your last

Synonym of more power to your elbow

Success is achieved by hard work, not by merely wishing for it.

Alternative form of Bob's your uncle

Alternative form of what is your name

Used to ask the name of a person.

(idiomatic) Do something the way you want to, but be prepared for the consequences.