Financial advisors generally recommend keeping only enough funds in a checking account to comfortably cover immediate monthly bills, routine living expenses, and a small buffer buffer to prevent accidental overdrafts—usually equivalent to one month of expenses. Any cash surplus beyond this operational buffer should be transferred into high-yield savings accounts, short-term certificates of deposit, or investment vehicles where it can generate returns rather than sitting idle. Keeping excessive liquid funds in a standard checking account exposes the money to potential inflation losses and lacks optimal interest-earning potential.