Your possessions are temporary. When you leave this body behind, you also leave everything you own behind. The only thing you take with you with the reputation you've built while you were here.
So don't get caught up in the material world. Yes its wonderful to enjoy all the luxuries you have, but don't get attached to them. Enjoy the experiences you have with all the things you own, but remember that those things are not what define you. In the same way, just because someone may not be able to afford all that you have, doesn't give you the right to behave superior to them. Their karma is just different. Some of the nicest people you will meet, are the ones with very little material wealth, but an abundance of spiritual wealth. Stay humble. You can learn from everyone. Rich or poor, we're all headed to the same destination.