Five pitfalls if you are leaving a scope of software development at customer site

Ideally, in a software project, for an offshore customer, the requirement gathering phase should be given an extra care to understand to a maximum extent so that the product developed and tested when ready for implementation at customer site requires no development. Practically, it is very difficult to achieve. The more it is left open to be handled at customer site, the higher is the chance of customer and vendor getting affected.