Those costs are never taken into account. It's always the "low" price of licensing/use/dev that is looked at, and then... you have the regret phase. Which never

Those costs are never taken into account. It's always the "low" price of licensing/use/dev that is looked at, and then... you have the regret phase. Which never end because "we already invested so much", and the famous "in the long run it will be cheap... oh wait, we have a newer offer"