Wiktionary
live on the edge
vb. 1 (context idiomatic English) To have an adventurous or perilous lifestyle; to behave in a manner which creates risks for oneself. 2 (context idiomatic English) To be caught in an economic or societal situation which one did not choose, which threatens one's well-being or life, and which causes distress.
Usage examples of "live on the edge".
People who know only a few spiritual states and never live on the edge do not have contradictions, because their limited resources cannot form oppositions.
He didn't know exactly what pushed her but he knew there was something within her that made Amelia Sachs live on the edge.
I'd forgotten what it felt like to put everything at casual risk, to once more live on the edge of utter destruction.