Bitcoin is not an actual physical coin, and if computers are shut down, you can't buy or sell them. That's why nothing will ever replace gold and silver coins themselves, and all investors should have them at home or in a safe deposit box.

I only have disdain for New York City Mayor Michael Bloomberg. He raised taxes and has increased regulations. What else is new? He's a bully who wants to micro-manage people's lives by mandate, not persuasion.

Donating money to a few of my favorite free-market organizations used to be a pleasant duty, but now I'm literally inundated with demands from hundreds of think tanks and public-policy groups, all vying for my limited funds

Banking technology has made it simple and efficient to invest in good causes.

Gold and Silver have always had value, never gone to zero. Can you say the same for stocks and bonds?

If you are wealthy enough, use part or all of your Social Security proceeds to invest in a favorite cause or two. Invest 10 percent or 100 percent of your monthly Social Security check in your favorite charity, foundation, think tank, church or synagogue, or other good cause.

Bill Gates and Warren Buffett have their 'Giving Pledge,' where billionaires promise to give away the majority of their wealth when they die. My Social Security Pledge is better - to give money to good causes when you are alive. Besides, more Americans can participate.