They earn cheddar and they buy cheese.
One of the best reasons to earn money
how do I know when the Irish word for money is to be spelled "airgead" or "airgid"? I keep getting caught up on that.
Read Scilling's comment here. It does a good job explaining when you'd use the genitive form airgid.
Go raibh maith agat, that is very helpful indeed.
saothraíonn could also be used instead of tuileann