The difference between a general reading and 3 topics is as follows. There are times in life where you as an individual are certain in what you want to know (for example 3 topics). However, on many occasions, we hit a crossroads, our minds are awash with subjectivity and clarity has deserted us. This is when you would benefit most from a general reading. I am able to source my 45 years of knowledge to tell you precisely what I feel you need to know in order to start making progress, often immediate progress.