Woot has your choice of a Leviton z-wave DZMX1-1BZ dimmer, or a DZS15-1BZ switch for $29.99, today only.
I don't use z-wave and have no clue about quality of these switches, just saw it and though I'd pass it along.
https://tools.woot.com/offers/leviton-z-wave-universal-switch-your-choice
Terry