Over the last 30 years taxes on the rich have been lowered again and again, and this has led to the transfer of trillions of dollars in wealth from the middle class to the rich to the point that the top 1% now get 23% of the total income in America.
Raise the minimum wage and tax capital gains as income.
Actually revenue from high income earners has climbed over the last 30 years, from middle income earners it has gone down.
If you want to soak the rich, lower cap gains taxes.