Once you know your parents' wishes, get them on paper. They need: a will; a living will, which clarifies their desires for medical care; and a durable power of attorney so someone they trust can handle their business transactions if they become incapacitated.
You can find a lawyer at the National Academy of Elder Law Attorneys, online at naela.org.
Personal finance expert and O, The Oprah Magazine columnist Suze Orman explains how to protect your assets from Medicaid and make sure you have money for retirement.