i certainly would not describe business intelligence (either part of the 2 pieces you decided to break it into) as harder to understand than 90% of the stuff that hits...

the most important word was "incrementally".

start small.  simple procedure to keep a modest snowflake going (sales, custs, prods, time  ... 4 tables).  do NOT jump right into Analysis Serv. and...

Don't get excited.  I don't have a direct answer to your question.  But I do have a suggestion for you from 30,000 feet.  You may have fallen into a trap:...