https://www.amazon.com/Philips-45…0167Z0P3I/
Amazon has this dimmer switch on sale for $21.59, down from the usual price of $24.99.
https://www.amazon.com/Philips-45…HU70/?th=1
Furthermore, Amazon has the dimmer switch & single dimmable A19 bulb on sale for $31.48 instead of $34.99.