Shoestring (noun)

1. A very thin cord or string, especially one used to tie shoes.
2. A small amount of money.

Origin:

From the phrase "on a shoestring", meaning with very little money.

Examples:

1. She tied her shoelaces with a shoestring.
2. He lived on a shoestring budget for the first few months of his business.
3. The company was able to survive on a shoestring for the first few years.
4. They were able to travel the world on a shoestring.
5. He was living on a shoestring and couldn't afford to buy new clothes.