This research investigates the impact of self-regulatory resource availability on impulse buying. Three experiments were conducted to explore how depletion of self-regulatory resources affects impulsive spending. In the first experiment, participants who were asked to control their attention were found to be willing to pay higher prices for products compared to those who did not engage in self-control tasks. The second experiment demonstrated that participants who were depleted of self-regulatory resources spent more money and purchased more items in an impromptu buying situation, particularly those with higher trait impulsiveness. The third experiment further confirmed these findings by showing that depletion of self-regulatory resources led to increased impulsive buying, regardless of the type of product (affectively or cognitively desirable). The results suggest that self-regulatory resource availability is a crucial factor in predicting whether people can resist impulse buying temptations.This research investigates the impact of self-regulatory resource availability on impulse buying. Three experiments were conducted to explore how depletion of self-regulatory resources affects impulsive spending. In the first experiment, participants who were asked to control their attention were found to be willing to pay higher prices for products compared to those who did not engage in self-control tasks. The second experiment demonstrated that participants who were depleted of self-regulatory resources spent more money and purchased more items in an impromptu buying situation, particularly those with higher trait impulsiveness. The third experiment further confirmed these findings by showing that depletion of self-regulatory resources led to increased impulsive buying, regardless of the type of product (affectively or cognitively desirable). The results suggest that self-regulatory resource availability is a crucial factor in predicting whether people can resist impulse buying temptations.