Yes, wealth is very unfairly distributed. Most likely unsolved problem forever.
Given you have enough to eat, things to wear and a roof above the head, take this statement: "Very numerous are the things that I don't need!"
Our dissatisfaction made us humans what we are now. Being permanently seeking improvement powered innovation since the early days. Else we would still be limited to muscle power.
On the other hand we should use our intelligence to notice that this drive must not be governing out life. In some sense this drive is largely obsolete and mutating to unproductive greed. It causes more harm than good nowadays.
Thinking of what you don't have in a world of abundance is causing unneeded emotional distress. Every fulfilled wish spawns new wishes.
No, I'm not free of this. Not a single day without wishing for a huge house with a lot of private land and a high wall (with spikes on the top) around… but it is not gonna happen.
Don't focus too much on (missing) luxury goods. It will make you unhappy.