Agreeing to be 100% accurate means suicide for the online researcher, that’s why some online researchers will say what clients wants to hear but gives them only 80% of its work. And the sad part of it, is that within these 80% record lists, some of them are inaccurate and duplicates, which isn’t part of the agreement.
Yes, data profiling isn’t that bad, but still, being an Online Researcher isn’t exactly what you call a trusty career. But of course, being an online researcher means that you can do it at home. But some professionals are doing it as a part-time job for extra income, which is perfectly fine if it won’t disturb your primary job.