The fundamental zones of concern are reliance and absence of control, data security, and lawful issues. When you fire all your innovation staff and do the switch, it turns out to be hard to adjust your perspective, make changes, or look for another accomplice. The outsider merchant will hold all the cards and you no longer have any in-house mastery. They as a result have all the force. The outsider merchant can raise expenses as agreements lapse and you have no influence to arrange.