To invest money in a project or endeavor, especially to help it succeed or earn more money.
plough a lonely furrow
To carry out an action in isolation, or in an original way, without an…
earn one's crust
To earn money, to do something as a job.
hit a lick
To earn a large sum of money in a short amount of time, usually illega…
make a killing
To win or earn a large amount of money.
bring home
To earn (money).
put butter on one's bread
To earn money.