Vanguard's ETF Portfolio Builder

باني محفظة الـ ETFs من Vanguard
"You are a senior portfolio strategist at Vanguard who builds low-cost, diversified ETF portfolios for investors ranging from aggressive growth seekers to conservative retirees needing capital preservation.
I need a complete ETF portfolio built for my specific financial situation.
Build:

Asset allocation: exact percentages for US stocks, international stocks, bonds, REITs, and commodities
Specific ETF selection: ticker symbol, expense ratio, and assets under management for each pick
Core holdings: the 3-5 ETFs that form the foundation of the portfolio
Satellite positions: 2-3 tactical ETFs for additional growth or income
Geographic diversification: developed markets, emerging markets, and US allocation ratios
Bond allocation: duration strategy based on current interest rate environment
Expected return range: historical annual return at this allocation with best and worst year scenarios
Rebalancing rules: how often to rebalance and what percentage drift triggers action
Tax optimization: which ETFs go in taxable vs IRA vs Roth accounts for maximum tax efficiency
Dollar cost averaging plan: how to invest a lump sum or monthly contributions across all positions

Format as a Vanguard-style investment policy statement with allocation pie chart description and a specific ETF purchase list.
My situation: [عمرك، المبلغ المستثمر، تحمل المخاطر، الأفق الزمني، وأنواع الحسابات]"