Hey! Same feeling here. What I noticed, if you have tons of patience in this game you can slowly increase a lot your bank. But increase the collection value is way more harder. I have almost 500 bank, but I'm a little ant, and I wait just for good deals taking so long. I think Murias is right, if you really want a valuable deck, you must buy legendary cards at their value price, or even losing few money. But you must CRY doing that!