What should I sell to buy a brombeere, blackberry phone?

So it's me and my boyfriend's anniversary and his birthday too, his phone is broken so I decided to buy him a brombeere, blackberry phone.

I sell my old phone and now I have 70$, what should I sell Mehr to have 100$?

Plz no rude Kommentare just tell me the stuffs that I should sell, thank Du