One of the difficult decisions a systems analyst has to make when it comes to software is whether to recommend making, buying, or outsourcing software for information systems projects. What are the advantages of purchasing commercial off-the-shelf (COTS) software?

There are different advantages to buy commercial software like:

- Is a system used for other companies, we will have good referents with the feedback of them.

- Support, we should have support twenty-four hours, if a system doesn't have good support, we must not buy the software.

- We can choose software with a lower initial cost, this depends on our needs.