Short answer: List finished books soon after exams, price by condition and use the money for the next set.
Timing
List soon after exams.
Price
Price by condition and demand.
Reinvest
Use proceeds for your next books.
Start at sell books.
Frequently asked questions
When is the money settled?
After delivery, minus the platform fee.
What are the fees?
Currently 5% with a packing video, otherwise 15% for books and 20% for modules.