(and) that ain't hay phrase informal
Used to indicate a significant amount of money
He's just brought our company some valuable contracts and got a 2000$ bonus, and that ain't hay.
Where did you get 9000$ to buy that car? That ain't hay.
She got a 100$ tip for her good service and that ain't hay.
He got a well-paid job and that ain't hay.
save as much money as possible
Used to say that someone attempts to get money from you.
Feeling worried about finance.
To do work of any kind to earn a living
If you swallow the bait, you take something that someone offers you, or agree to do something that someone asks you to do without knowing that it is a trick or way of getting something from you.
You can't just do whatever he wants you to do. Don't swallow the bait.