Whenever a hard drive fails when you are working on something that is quite important or is required within the shortest time possible, you need mac data recovery software, one has a tendency of panicking which may result in quick decisions that are not very well thought through or are not backed up by good research. One of the actions that one might take during this period of panic is choosing a recovery agent in haste without inquiring about his/her qualification or experience in doing file recovery. This might rove to be a very bad move because the recovery agent might end up doing a job that will further worsen your situation. Those kinds of agents thrive on such desperate situations so that they can exploit you.
You should consult the agent about their services and do not give in or believe what he/she is telling you immediately you have talked to him/her on the phone. Most of those agents will just tell you to ship the drive without even telling you the price that they will charge you to recover the data.