I have received everything from a tin of baked goods and a (obviously) regifted candle to a $100 restaurant gift card. I expect parents to treat me as I've treated my past providers. I don't hold it against them if they don't get me anything or dont send me a card, but I do believe it shows me how much they value me and the services I offer.

I give gift cards to the bus driver, to the teacher, to the dance coach, to the scout leaders... all because I value their involvment in my kids lives. I expect the same.