make a killing
• have a great financial success.
• "they're a safe investment, you can make a killing overnight"
Similar:
make a large profit,
make a/one's fortune,
gain,
profit,
make money,
be successful,
be lucky,
clean up,
strike it rich,
rake it in,
make a/one's pile,
make a packet,
make a bundle,
make a pretty penny,
make a bomb,
make big bucks,