I would recommend you read Pool School so that YOU know how to maintain the pool. Issues can arise in that sometimes our recommendations do not align with the way the pool builder will want to start the pool ... thus know what you are talking about and ask a lot of questions. You will have to follow their advise as they are the warranty company, even if what we would recommend is a little different.
Also, the pool person who is doing the start up will NOT be as vigilant as you, the owner, would be. So, I would certainly have my own test kit and be checking things more often than they will be around.