Clean up

to make a lot of money, to make a big profit

Cold hard cash
cash or coins or bills

Control the purse strings
to be in charge of the money in a business or a household

Cost a pretty penny
to cost a lot of money
to cost a lot of money

Cross (someone's) palm with silver
to give money to someone in payment for a service

Cut one's losses
o reduce one's losses of money or something else

the owners decided to sell the soccer team in order to cut their losses.

Cut (someone) off without a penny
to stop giving someone a regular amount of money, to leave someone no money in a will

Deadbeat
a person who never pays the money that he or she owes

Dirt cheap
extremely cheap

Pound for pound
considering the cost

Down-and-out
having no money

Draw interest
(for money) to earn interest while it is on deposit at a bank

Easy money
money that you do not need to work hard to get

Face value
the value or price printed on a stamp or bond or paper money

A fast buck
money that is earned quickly and easily (and sometimes dishonestly)

Feed the kitty
to contribute money to a special collection

Feel like a million dollars/bucks
to feel wonderful, to feel well and healthy

Flat broke/Skint
to have no money at all

Foot the bill
to pay for something

(not) for love or money
not for anything, not for any price (usually used in the negative)

Fork out money (for something) or fork money out (for something)
to pay for something

Fork over (some money) or fork (some money) over
to pay money for something

Free and clear
(to own something) completely and without owing any money

Get a run for one's money
to receive a challenge, to receive what one deserves

Get along on a shoestring
to be able to live on very little money

Get one's money's worth
to get everything (or even a little more) that one has paid for

Give (someone) a run for their money
to give someone a challenge, to give someone what they deserve

Go broke
to lose all of one`s money, to become bankrupt

Go to the expense (of doing something)
to pay the cost of doing something

Going rate
the current rate

Gravy train
a job or some work that pays more than it is worth

Grease (someone`s) palm
to pay for a special favour or for extra help, to bribe someone

A handout
a gift of money (usually from the government)

Hard up
to not have much money

Have an itchy/itching palm
to ask for tips or money

Have money to burn
to have very much money, to have more money than is needed

Have one's hand in the till
to be stealing money from a company or an organisation

Have sticky fingers
to be a thief

Have the Midas touch
to have the ability to make money easily (King Midas turned everything that he touched into gold)

(not) have two pennies to rub together
to not have much money

He who pays the piper calls the tune.
the person who pays for something has control over how the money is used

Head over heels in debt
to be deeply in debt

Heads or tails
the face of a coin or the other side of the coin

Highway robbery / Daylight robbery
the charging of a high price for something

Hit the jackpot
to make a lot of money suddenly (usually from gambling)

Honour (someone's) cheque
to accept someone's personal cheque and pay it

Ill-gotten gains
money acquired in a dishonest or illegal manner

In clover
in a very good financial situation

In debt
owing money

In kind
in goods or services rather than money

Jack up the price (of something)
to raise or inflate the price of something

Keep the books
to keep records of money that is earned and spent

Keep the wolf from the door
to earn enough money to maintain oneself at a minimal level of existence

Kickback
money paid illegally for favourable treatment, such as a bribe paid as a percentage of a contract

Last of the big spenders
a humorous way to describe someone who spends a lot of money for something (although he or she may not want to spend it)

Lay away money
to save money

Lay out (money)
to spend or pay money

Layaway plan
a plan in which one pays some money as a down payment and then pays a little more when one is able and the store holds the goods until the full price is paid

Let the buyer beware
let the person who buys something check to see if the product is in good condition or has no problems

Live beyond one's means
to spend more money than you can afford

Live from hand to mouth
to live on little money

Live the high life
to have the best of everything, to live in great comfort

Live within one's means
to spend no more money than one has

Loaded
to have lots of money

Lose money hand over fist
to lose money fast and in large amounts
Lose one`s shirt
to lose all or most of one`s money

(not) made of money
to not have a lot of money (usually used in the negative to say that you do not have enough money for something)

Make a cheque out to (someone)
to write a cheque with someone's name on it

Make a killing
to make a large amount of money

Make a living
to earn enough money to live

Make ends meet
to have enough money to pay one`s bills and other expenses

Money doesn't grow on trees
money is valuable and you should not waste it

Money is no object
it does not matter how much something costs

(one's) money is on (someone)
you think that someone will win a competition or sports event etc.

Money is the root of all evil
money causes most problems or wrongdoings in life

Money talks
money gives one the power to get or do what he or she wants

Nest egg
the money that someone has saved up

On a budget
with an amount of money that you can or want to spend for something

On a shoestring
with little money to spend, on a very low budget

On credit
using credit to buy something

On sale
for sale at a discounted price

On the house/On me
paid for by the owner of a business

On the money
exactly the right place or time or amount of something, exactly the right idea

On the take
to be accepting bribes

out-of-pocket expenses
the actual amount of money that someone spends for something, usually given to business people

Pad the bill
to add false expenses to a bill

Pass the buck
to make another person decide something, to put the responsibility or blame on someone else

Pass the hat around
to collect money for something (sometimes by passing a hat around to put the money into)

Pay a king's ransom (for something)
to pay a great deal for something

Pay an arm and a leg for (something)
to pay a high price for something

Pay as you go
to pay for things as they occur (rather than on credit)

Pay in advance/up front
to pay for something before you get or use it

Pay off (someone) or pay (someone) off
to pay someone a bribe for something

Pay off (something) or pay (something) off
to pay the total amount of something

Pay one's own way
to pay the costs for something yourself

Pay the piper
to face the results of one's actions, to be punished for something

Pay through the nose
to pay a very high price, to pay too much

Pay up
to pay now

Payoff
a bribe or an amount when you finish working for someone, usually as a result of bad practise

Pennies from heaven
money that you do not expect to get

Penny for one`s thoughts
a request that asks someone what he or she is thinking about

Penny pincher
a person who is very careful with his or her money - even very small amounts like a single penny

A penny saved is a penny earned
saving money by not spending it is the same as earning money from working

Penny-wise and pound foolish
to be careful or thrifty in small expenditures but careless or wasteful in large ones

Pick up the tab
to pay the bill for something

Piggy bank
a small bank or container for saving money that is sometimes in the shape of a pig

Play the market
to invest in the stock market

Pour money down the drain
to waste money

Put one's money where one's mouth is
to stop talking about something and do it, to stop talking and make a bet on something

Put the bite on (someone)
to try to get money from someone

Quote a price
to say in advance how much something will cost
Rain check
a promise to accept an invitation at a later date

Raise the ante
to increase your demands or the amount that you spend for something (the ante is the amount of money each player puts on the table before starting a game of cards or poker)

Rake in the money
to make a lot of money

Rake off (some money) or rake (some money) off
to steal a portion of a payment or money

Rolling in money
to have lots of money

Salt away (money) or salt (money) away
to save money

Save up (for something)
to save money in order to buy something

Scrape (something) together or scrape together (something)
to save small amounts of money (usually with some difficulty) for something

Scrimp and save
to spend little money in order to save for something

See the colour of (someone's) money
to make sure that someone has enough money for something

Shell out (money) or shell (money) out
to pay money for something

Sitting on a goldmine
to own something very valuable (and often not realise this)

Smart money is on (someone or something)
people who know about money or business think that someone or something is good

Splurge on (something)
to spend more money than one might ordinarily spend

Square accounts with (someone)
to settle one's financial accounts with someone

Squirrel away (some money) or squirrel (some money) away
to save some money

Stony broke
to have no money

Strapped for cash
to have little or no money available

Strike gold
to find or do something that makes you rich

Strike it rich
to suddenly become rich or successful

Take a beating
to lose much money

Take the money and run
to accept what is offered to you before the offer is gone

Throw good money after bad
to waste additional money after already wasting money on the same thing

Throw money around
to spend a lot of money without worrying if you are wasting it

Throw money at (something)
to spend a lot of money for a project or something without thinking about how the money should be spent

Tidy sum of money
a rather large amount of money

Tighten one`s belt
to live on less money than usual

Tight fisted (with money)
to be very stingy with money

Time is money
time is valuable so do not waste it

Worth its weight in gold
to be very valuable

Cut (someone) off without a penny
to stop giving someone a regular amount of money, to leave someone no money in a will

Penny-wise and pound foolish
to be careful or thrifty in small expenditures but careless or wasteful in large ones

Pinch pennies
to be careful with money, to be thrifty

red cent
- a small sum of money (usually used in the negative)

(not) worth a cent/a red cent/two cents
to be not worth anything, to be not of any value

Can I bank on your support?

The company has been coining it/money since the new manager took over.

Since he's in the money, he's extremely generous to his friends.

Ice cream sellers are minting money thanks to the heat.