I always find it interesting seeing what people spend their money on.
This is a place to yarn about things you recently purchased that you're excited about using, or to show how much of a shopaholic you are. Where people might find a deal that hasn't already been posted on Cheapies, and a place to ask for advice on items that have been mentioned.
That's usual price in China. The spool-less ones are 35cny. You need to either print your own spool holder or buy one. The esun PLA with spool are usually around 45-55cny