Summary
Direct unsubsidized loan is one type of student loans that's available for both undergraduate and graduate students.
Interest rate for undergraduate: 4.99%
Interest rate for graduated: 6.54%
Requirement:
1. apply through federal aid website or school financial website
2. have to pay with interest when start to pay the payment
3. enroll at school at least half time
Pros: no need to check your credits
Cons: have to pay with interest when start to pay the payment
Reference: https://www.forbes.com/advisor