Should I use my 401(k) to fund this?

Absolutely not. The penalties and loss of compound interest will cost you far more than the trip is worth. Only use cash savings.

How do I handle health insurance?

Cancel your domestic policy if you are moving abroad permanently, and purchase a dedicated nomad health insurance plan (e.g., SafetyWing or World Nomads) which is significantly cheaper than domestic COBRA.

What if I run out of money?

Keep your 'emergency repatriation fund' untouched in a separate account. If you dip into this, you are effectively on a 'return home' timer.

How to fund a sabbatical on a middle-class salary

Fund a sabbatical by diverting 20% of your take-home pay into a dedicated high-yield savings account for 24 months. You must supplement this with a 'bridge job' or freelance work to ensure you never touch your long-term retirement investments.

Define your 'burn rate'. Calculate your exact monthly cost of living at home, then estimate your daily travel budget. Subtract your travel budget from your current monthly savings capacity to see how long it will take to hit your goal.
Automate the sabbatical fund. Open a secondary high-yield savings account. Set up an automatic transfer for payday. Treat this transfer as a non-negotiable bill, just like rent or electricity.
Sell the 'stuff' buffer. Three months before departure, sell non-essential items (electronics, furniture, gear) on local marketplaces. Use this lump sum as your 'emergency repatriation fund' so you don't have to panic-sell stocks if an emergency happens.
Secure passive or gig income. Before you leave, set up at least one stream of remote income, such as freelance consulting or a virtual assistant role, that covers at least 30% of your monthly expenses while traveling.

Should I use my 401(k) to fund this?: Absolutely not. The penalties and loss of compound interest will cost you far more than the trip is worth. Only use cash savings.
How do I handle health insurance?: Cancel your domestic policy if you are moving abroad permanently, and purchase a dedicated nomad health insurance plan (e.g., SafetyWing or World Nomads) which is significantly cheaper than domestic COBRA.
What if I run out of money?: Keep your 'emergency repatriation fund' untouched in a separate account. If you dip into this, you are effectively on a 'return home' timer.