Custom programing is necessary when you’ve got a need that is being unfulfilled by your current system. Often it is much easier to have your changes programmed sooner than waiting for your software provider to create that customization for you as part of its base offering. If this is the case, you could be waiting a long time for that to happen.
Having a customization done for you can offer many benefits because it might give you that strategic advantage that you have been waiting for that can help propel your business forward.