My best friend gave me a really cheap gift?

So I invited my friends on a birthday party.

My best friend bought me very cheap gift because only bath gel , which had discount price and costs only 2 $

I don't want to sound snobby but she works and earns quite good money, we go shopping together sometimes and she buys really expensive clothes and shoes.

I don't work but I bought her something more expensive and special.

It's not like I want expensive gifts but it seems like she was looking for cheapest gift she could find to not waste money on me, it makes me really angry & sad and I don't know what to do now?
My best friend gave me a really cheap gift?
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