Explain some disadvantages of data ware house?

1) Explain some disadvantages of data ware house?

These are some of the disadvantages of data ware house: -
1) It represents a very large project with a very broad scope which is a big disadvantage.
2) Upfront costs are very huge and the duration of the project from the start to the end user is significant.
3) It is inflexible and unresponsive to the departmental needs.