1. CDP - The Central Depository
2. DCA - Dollar Cost Averaging
3. EBITDA - Earnings Before Interest, Taxes, Depreciation, and Amortisation
4. ETF - Exchange Traded Fund
5. FOREX - Foreign Exchange
6. IPO - Initial Public Offering
7. NAV - Net Asset Value
8. REIT - Real Estate Investment Trust
9. ROE - Return on Equity
10. ROI - Return on Investment

What about the traditional biscuit tins? Quickest access to cash!

Jokes aside, Savings Bonds and Cash Management Funds would be my best bet