The percent of millionaires surveyed who plan ahead and save for large purchases is around 95%. This indicates that a vast majority of millionaires take a disciplined, forward-thinking approach to their spending decisions. This behavior is a deciding action because it reflects a long-term perspective on financial health and wealth management. Planning ahead and saving helps millionaires avoid debt, make informed purchases, ensure affordability of large investments, and maintain or grow their wealth. It contrasts with impulsive spending and shows commitment to responsible financial practices which ultimately contribute to their financial success and stability.