254: Lie about making a typo in the title
You little stuff
I see that missing Y.
257: Open all of the soda bottles in the store just enough so that they dump when someone picks them up.
258: Stab every milk gallon with a pin/other sharp object so they all leak.
259: Put plastiwrap on every toilet.
260: Pour soap all over a specific aisle. Announce a treasure hunt with a fantastic award at this aisle.