The Real Cost of a Vacation Home What if instead of buying that vacation home, you invested the money? Share | Related Content The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance. Keys to Investing for Retirement There are some key concepts to understand when investing for retirement.