What financial planning should be done before the '30s

Emergency Fund

Save 3-6 months' worth of living expenses

Debt Management

Prioritize high-interest debt repayment

Retirement Savings

Start early to take advantage of compound interest

Insurance

Health, disability, and life insurance are crucial

Investment

Begin with low-cost index funds or ETFs

Budgeting

Develop a budget that includes savings and investments as non-negotiable items