She's right.
Don't waste energy wanting what other people have. Spend your energy wanting what you can build, and finding ways to build it.
If you make your money honestly you have made it by serving others, by getting for them the things that they want and need, and by making their lives better. You have nothing to apologize for.
One of the great things about here (Dallas/Ft Worth) is that a really nice house or almost a mansion is within many people’s grasp starting around $175,000 to $300,000 on up.