I put in a regular old "Tripper" style intermatic timer for my holiday lights. Right now it only has a single pole 20 dedicated to it but if my wife decides to go nuts, it is a 2 pole timer so I could put in 20 more. I do have a "repeater", an SSR in a box that is controlled by a low voltage wall wart on a ling cord so I can isolate the load from there on a different circuit but I haven't needed it since I put in the dedicated 20.
