2) Do you want to make stocks? Choose government bonds.
3) Do you have an RV? You should have a house. Buy a car for the convenience of your family.
In this way, you don't have much money. If you have savings, you can save and invest. Go abroad to invest in real estate. I recommend America. The house price is cheap at this time. You can buy something and wait for him to appreciate. Second, if you can send your son to study and immigrate in the future.