Say other people's stingy and selfish sentences

Sentence:

However, if you leave out four-word phrases or shorter phrases, there may be many stingy and selfish sentences.

For example, this person is usually frugal in eating and dressing, but he doesn't spend a dime with his friends and always takes advantage.

For example, some people often use public resources, and are often so selfish that they don't even pay the fare for getting on the bus. .

Others may be so selfish that they don't spend a penny on relatives and friends, and they never pay for dinner!