How many credit cards should you be carrying on your person? What expenses should be charged to what cards? How often should you get a new credit card and how does that impact your credit score? There's a lot that goes into choosing the right partners for your money. It's sort of like the operating system for your cash flow: all money flows through the accounts and cards you select.

We find ER Docs tend to have very different banking setups. That's why we felt today's episode would be a good way to help navigate the balancing act of credit card rewards, convenience, and practicality.