How many sets of index cards should you have to organize your information?

The number of sets of index cards you should have depends on the amount and complexity of the information you need to organize. For simple topics, one or two sets may suffice, while more complex subjects might require multiple sets to categorize different themes or ideas. It's essential to ensure that each set is manageable and clearly labeled for easy access and reference. Ultimately, tailor the number of sets to fit your organizational needs and preferences.