Been trawling round websites on marketing cos I'm a bit slow on all this stuff. Came across this and it all became clear.
'To simplify this marketing strategy you always first want to up-sell and then bump on the up-sell. After you’ve up-sold and bumped then you want to try to cross-sell your customer more products and services. If they didn’t take the bait on your sales effort, make a down-sell offer.'
So there you have it.
All is explained at this site with lots of FREE articles. All you have to do is rejig them for CC.
http://www.redrovermarketing.com/marketing_articles.shtmlMike