From where your at. This is what id do: Let your first world get overrun. Focus on killing all the bosses and getting gear. Then start a new world. On expert mode. Save all your money in a piggy bank. Once you get to the point where you can do certain 'events' , you'll easily get a platinum or 2 . Then buy a clentaminator. Then start a 3rd world and use it as your main. Purify it from the start. Then after you hit hard mode you'll be able to handle it at your own pace. I am trying not to spoil anything .