DIY is a short form of the phrase "Do It Yourself" – when you take on activities such as building or repairs yourself. DIY involves comparatively inexperienced people taking on sometimes complex jobs, believing "it can’t be that difficult, can it?"
There is an important lesson here for carrier billing projects. Are you an operator who is seriously considering a DIY integration into an app store?
Before you decide anything read our guide to the five most common dangers facing you with a Do It Yourself approach to carrier billing integration.