Listen, I know everyone has different learning styles and what not but sometimes it's difficult to adopt all the cases and methods that books try to each you. That's practically like memorizing a rule book, and the people at LSAC are very talented at bending them. This is something my prep course teacher taught us. He got a 175 by the way. Just do a prep test a day at least, and sometimes do them without time, so you can sit there are stare at questions you don't get. Eventually, you will figure them out this way, and you'll learn to recognize them for the future. If you and I worked at LSAT, we'd buy every single prep book on the market, read it cover to cover, and then alter the questions in ways that the prep methods just don't work. Just try to build up your own style of tackling them. With that said if what you're doing now is working well for you, then by all means keep at it.

Sorry for the 3 replies. I just woke up and I feel like writing lol.