You don't need an agent to do a dtv It's pretty simple if you just follow the steps supplied by immigration. You just upload the documents online. If you follow this group that is the advise. If you have paid some agency you would be better asking them how would people here know what your specific case involves. Most agents are just scammers especially if they advertise that they do a dtv. This is done by the applicant. You can gather all the required documents as they are your personal information. If you dont know how ti upload just ask a friend who understands computer applications its easy. You pay an agent ti do what you do it all