Question

what is the advantage of having a high-yield checking account?
offers higher interest rates than regular checking accounts.
it provides free checks and debit cards.
it allows you to write unlimited checks.
it allows you to have joint account with another person

Explanation:

A high-yield checking account is defined by its core feature of earning a higher interest rate on the balance held, which distinguishes it from standard checking accounts. The other listed features (free checks/cards, unlimited checks, joint accounts) are not unique to high-yield checking accounts and can be offered by regular checking products.

Answer:

A. offers higher interest rates than regular checking accounts.