Other mistake: When Stephanie (the kid's mom) gets sprayed with mud by the bus, it is accelerating as much as it can in reverse. Why would it accelerate so much in reverse if it's trying to avoid falling down the hill?
See Spot Run (2001)
1 other mistake - chronological order
Directed by: John Whitesell
Starring: David Arquette, Michael Clarke Duncan, Leslie Bibb, Joe Viterelli
Continuity mistake: When Gordon and Benny are in Stephanie's apartment with James, you can see the clock behind Benny, but a few of shots later the time has changed to being earlier.