"What are you doing to achieve happiness in your life?" - it depends on the individual.
One person is satisfied with little money, another needs more.
It’s enough for me to be happy:
1. Good health.
2. The family.
3. Favorite job.
4. Well, the necessary amount of money.
"so that we can someday save up money for a house" - I wish you the fulfillment of your dream.
Of course, you will succeed!