I started to read tarot over ten years ago, starting in HS after Ana introduced me to them. I bought my own tarot deck the first time around, a beautiful Goddess deck which I loved but since have lost. Since then, I've bought and have been given tarot decks, and honestly, to me at least, it didn't make one slight difference in its effectiveness. I learned from both books and mentors and the best advice I can say (which most have already been mentioned in the previous posts), is to trust your intuition. The cards, again to me, are a tool that helps link you to your own psyche where answers are there for the asking/taking. I also, suggest that you draw a card a day and then write down what feelings you get from that card. Sure, there are many interpertations out there, but YOURS to yourself is most important. It doesn't have to be long and drawnout...just a coule of key words so that when you see the card you can immediately connect with it and help you through a reading. And what also worked for me was doing readings...a LOT of readings, lol, because that forced me to concentrate and learn the cards and their meanings. All you need to do is tell the person you're reading for is that you're new at this, and to have them be patient. But the most accurate ones I've give were to total strangers and usually when I'm not involved in their lives. I too love the Crowley deck (YAY so glad to see so many people profess a love for them!
) But, the cards are cards...they were made for a specific purpose, so I don't really think you need to concern yourself too much with which style to choose from. Just pick the one that you like or feel drawn to, and then get another deck to see what you experience then. Just relax and know that even if the tarot DOES say something, nothing is set in stone and it can all change in a blink of an eye! After all, there IS such a thing as free will!