Grant Cardone Swears by the 40/40/20 Rule: ‘I Guarantee You’ll Create Wealth for Yourself’
©Grant CardoneYou may be familiar with the 50/30/20 rule, the classic budgeting rule that mandates that you should spend 50% of your income on needs, 30% on wants and put 20% into savings. But Grant Cardone, author of the upcoming book…