Cheaper Doubles

 is an upgrade in the Magic Monkey Knowledge tree. It allows the Double Shot upgrade to cost $100 less regardless of game modes. It requires SUPER Range before unlocking this upgrade. It has no other prerequisites.

Prices
The following are prices for the Ninja's Double Shot upgrade with and without the effect of Cheaper Doubles:

Summary
Easier to afford Double Shot.

Tips

 * It makes it easier to afford Double Shot Ninjas for the early-game.

Trivia

 * The Impoppable price of the Double Shot Ninja upgrade with Cheaper Doubles is the same as the normal Double Shot upgrade without Cheaper Doubles on Hard.