something is going on over there
When running a shop it can be useful to sell access to parts of your site.
Do accomplish this see http://www.ubercart.org/docs/user/3366/selling_site_access_role_promotions
So you want to have a shopping cart. With drush_mm it's a snap.
drush --verbose mm enable uc_cart
Given module names: 'uc_cart'
The following modules will be enabled: 'tapir, uc_store, token, workflow_ng, ubrowser, uc_order, uc_product, uc_cart'
Installing modules
Enabling (and mayby installing) module: tapir
Enabling (and mayby installing) module: uc_store
Enabling (and mayby installing) module: token
Enabling (and mayby installing) module: workflow_ng
Enabling (and mayby installing) module: ubrowser
drush pm install token workflow_ng tapir ubrowser cck imagefield imagecache google_analytics ubercart