That's not quite right.
To access the funds, you need to have the necessary income to pay for a loan against the equity. The bank won't just hand you $250,000, but a lot of people think if you have $500k in equity, the bank will hand out cash against it.
There are private lenders who will, but at very high interest rates. There is no free ride, anywhere. The Internet gets these sorts of things very wrong, often.
Reverse mortgage? At the end of the day if a couple hundred is going to sting there might have to be some choices made. Are they able to defer taxes yet?