Software Architect's Handbook

Advantages/disadvantages of building

An advantage of building it internally is that the solution will be unique to your organization, and tailored to it. The organization will have complete control over the solution, including full ownership of the source code. This will allow the organization to modify it in any way that it wants. If a need arises to make changes or add functionality, the organization will be able to do so with full authority.

Another benefit of building it yourself is that there could be a competitive advantage. If the solution provides some feature that competitors do not currently have, building it and owning it could provide a strategic advantage to the organization.

The disadvantages of building it yourself are that ...