Item limit

As of the Whacking Day Event update (April 10, 2013), EA developers have capped the amount of buildings and decorations being able to place down at 3000. It was changed to no item limit on April 16, 2013.

Trivia

 * The possible reason of this was to prevent players from planting excessive amounts of eggs in their friends' Springfields.
 * Another reason can be due to managing the device's processing capacity and memory ranges in your Springfield.