put in time
to spend time doing something
The man put in much time fixing up his house and now it looks very beautiful.
Most Sinister Childhood Villains Of All Time
Wile E Coyote
Although The Road Runner did provoke him sometimes, Wile E. Coyote wasted his time chasing the little guy through the desert. Anytime he did almost catch him, an anvil to the head thwarted his efforts.