4s cost 1400-1500 for a second hand model now. But note 1 just 600-800. see the different?

1. what is mr xo
2. why iphone cannot give to family members?
3. but how if people buying at 2.2k? 4s price also drop from 2199 to 1799 now after iphone 5 release
4. if you not chasing for later gadgets, you can wait for the next series of apple products release example at (3.) 4s already drop from 2199 to 1799