Having a strong password, as described in an earlier post, can save you from a long list of problems such as losing commissions, having your skype account hijacked and losing access to your email account. Yes, all three examples have happened to countless people unfortunately.
One fault of creating a password is using all lowercase characters. The difference of ‘password’ versus ‘paSSwoRd’ can actually make a big difference. But, refer to the earlier post to understand how to create a strong, unique password.