RIP-OFF ALERT: You've seen and heard about the suffering in the Midwest because of flood activity, and the heroic efforts of everyday people who pitched in by sandbagging to reinforce levees.

When bad things happen, it brings out the best and the worst in people.

The FTC has issued a new warning about scamsters who are stealing money by pretending to collect funds for flood relief charities.

You could substitute any other natural disaster in here and still get the same outcome. It could be Hurricane Katrina, the Christmas Day Tsunami or 9/11. These sleaze-balls come out and steal at a time when people are genuinely concerned and open their wallets.

So be wary -- after any disaster -- when you get a call from a solicitor. Don't give them any money over the phone. Ask them instead to send info and then make your decision. Be wary also of phony e-mails.

You only want to give to organizations that you have firsthand knowledge of or that you know to be OK. If you're in doubt, research a potential charity at Give.org.

The sad truth is that many people will be "once burned, twice shy" when it comes to opening their hearts (and wallets) during the next disaster. That's why it's important to do your homework first before you give any money.