1. Add a 4% Federal Sales Tax on all sales (gains ~400b/yr) - No Sales Taxes should be left to the States and local governments only.
2. Add a 0.1%? financial transaction tax on ALL financial buy/sell transactions (stocks, bonds, derivatives, bitcoin, etc.) (gains 777b/yr, see link below) - Yes!
3. Add a Remittance Tax on all money sent out of the US (gains ~$150b/yr, see link below) - Not a bad idea to reduce immigration
4. Remove the cap on SS tax, and raise the ages from 62/67 to 63/68 (saves SS) - Yes to removing the cap, no to raising the ages. People shouldn't work until they die without ever collecting.
5. Raise the tax and co-pay for Medicare - Raise the tax, but not the copay
6. Add a co-pay for Medicaid - No. People on Medicaid are poor enough
7. Increase both the Corporate and individual Capital Gains Tax Rates
8. Raise the top income tax brackets