I don't think Hallmark makes a "thank you for caring for your grandson for a week while we were on vacation" card

. I want to get my parents something nice, but have no idea what to even look for. Getting something in the Bahamas is an option, but again I am clueless.
Re: Need ideas for thank you present
Chart/Blog
Nothing breeds faster than Crazy
a one time maid service house cleaning thingamabob
flowers
gift card to favorite restaurant