Here's eight sentences talking about managing finance using: who, whom, him, her, whoever, whomever, my, his:

1. She manages her finance by creating a budget.
2. He seeks advice from a financial advisor to manage his finances.
3. Whoever manages their finances wisely can achieve financial stability.
4. My sister handles her finances responsibly, saving and investing wisely.
5. His approach to managing finance involves tracking expenses meticulously.
6. Whomever she consults for financial guidance, they must be knowledgeable.
7. Him being a finance expert, he helps others with their money management.
8. Her financial management skills are exemplary; she is a role model for many.

Some ways to manage your credit card payments when money is tight are:
1. Keep your PIN secure.
2. Check your bill.
3. Plan to pay off in full each month.
4. Avoid the late payment trap.
5. Avoid the minimum payment trap.