This took in just 86 pounds--approx. $107 US--at the UK box office in its first weekend at five theaters.
In one scene, someone tries to break an armored car's bulletproof glass window by shooting spark plugs out of a shotgun with a condom over the barrel. The idea is that a spark plug can shatter bulletproof glass if the ceramic is aimed at the right spot.
The "safe" Karen picks in the back of the truck is a $50 First Alert safe that an be bought at Ace Hardware or Walmart.
The T-shirt Jack (Mark-Paul Gosselaar) is wearing is from Bumpy Pitch, a Los Angeles-based soccer aficionado label.