On Interval in the general discussions section of "Community" there are video tutorials. Some of the subjects that may help you are on the order of
- Booking a Getaway
- Exchanging your week
- Setting up an on-going request
- Depositing your week
Those aren't the exact titles, but if you search through their list, you'll find really helpful tutorials.
With a little practice, you'll do fine and find that you really don't need an ii rep's help.