“No purchase is so urgent, no bargain so rare, that you don't have time to resear…” — Jean Chatzky

Optimism is an expectation that good things are going to be plentiful. The wealthy generally have the sense that life will bring good rather than bad outcomes. That doesn't mean they believe that good things will be omnipresent, but that they will outnumber the not-so-good.

If you have had the same dishwasher for 10 years or more, don't bother repairing it. The average dishwasher is expected to last nine years, and you've most likely squeezed as much life out of it as you can.

By the time most people file for bankruptcy, their credit is already trashed, they have a high debt-to-income ratio - a key indicator lenders look at - and they've likely defaulted on more than a few accounts.

Anything past 90 days constitutes 'severe,' but all late payments stay on your report for seven years if reported.