So heres the idea, users buy a subscription to say "hot tracks" that gives them the "hot tracks subscriber" role, then once a week (say Friday 3pm) the system will automate the purchase of all products with the "hot track" tax term added in the last week for free (the products are normally chargeable).

The role 4 purchase thing is easy (thanks for that), the automated purchase i was figuring on writing my own module to deal with that with a cron hook. The only bit i'm unsure of is having a 0 price on the transaction, i was thinking the discount module might be a way to go (http://www.ubercart.org/contrib/143), but if its being fired off from a module - might it just be faster/simpler another way?

Thanks

Drayen