Seller

Create an account
Edit account information
Delete an account
Login
Logout
Add inventory items
Remove inventory items
Edit inventory items
Withdraw payment

Customer

Create an account
Edit account information
Delete an account
Login
Logout
Add an item to cart
Remove an item from cart
Edit cart

Admin

Create an account
Edit account information
Delete an account
Login
Logout
Suspend an account
Suspend inventory
Unsuspend an account
Unsuspend inventory