Shopping Benefits

Which shopping benefits are available with the shopping community?
What is Cashback?
When and how do I get my Cashback?
How do I check my Cashback?
What are Shopping Points?
Can I give my Shopping Points to someone else?
Where can I check my shopping benefits?
How do I shop with the shopping community and make sure I collect benefits?
I have collected enough Cashback but it hasn't been paid out yet. What should I do?