-Clothes
-Water
-Gum
-Jewellery
I mean why not.
If you want to buy jewelry and don't have enough money for it (I know that the price is very high), you can use a service of the pawn shops. I tried it and found a beautiful chain at a reasonable price. This is a place for those people who want to get the costly stuff (for example, buy chain like me) and save money. Also it is possible to sell unnecessary things there (I think, almost everyone has something he/she doesn't need anymore).
Speaking about me, I would buy a big house and an expensive car
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Problem with pawn shops is that all that jewellery are fake ones. This is not always a problem though, as these fake ones usually looks really good, but if you don't want fake one then you shouldn't buy one from there. Also, i'm not sure if pawn shops accepts bitcoins these days? There might be some, but i'm not sure if there are many.
And i would love to buy good clothes using bitcoins!