The big banks have a lot of skeletons in their closets. For this list, we'll be ranking the secrets and tips the banking industry prefers that you not know. Our countdown includes Banks Can Re-Order Your Transactions, Banks Are Open to Negotiation, A Little Debt Can Sometimes Be Useful, and more! Do you know anything we missed? Spill the beans down in the comments!Watch more great business videos here: Top 10 Business Rivalries: