If you are 49, single, house paid off, retirement account in good shape and a taxable account to live on, a sabbatical sounds not just doable but earned. That is also exactly when the decision gets slippery, because having enough on paper is not the same as having the right kind of money available for the next year without creating a tax problem you will regret.

Start with cash flow, not net worth. Add up what you actually spent last year, not what you budgeted — property taxes on that inherited house, health insurance, utilities, food, travel to see friends, the stuff you forget until it hits. Then price what you will pay for health coverage if you quit, because that is the one line item that changes overnight. Your runway is your taxable investments plus cash, divided by that real monthly burn. If that math only works if you raid the retirement account, you do not have a sabbatical fund, you have a future tax bill.

That retirement account is the other trap. Money inside an IRA is not designed to be touched now, and the rules that penalize early access apply even when you are burned out and have a good reason. The whole point of taking a break is to avoid making a short-term decision that hurts the long-term plan, so you want to leave that account alone and live off the accounts that are meant to be flexible. Keep your emergency fund as an emergency fund, not as part of the travel budget, or you will come home to a different kind of stress.

Then there is the part no spreadsheet captures, which is how you get back in. You said your company will not support a leave, so quitting means starting over. That does not mean you cannot do it, it just means you should price it in honestly. Some fields welcome a gap year at this age, some do not. Some people return at the same level, some return lower and climb back. Before you quit, talk to two or three people who actually hire for roles like yours and ask what a year away looks like on a resume now.

If you want to test affordability without locking yourself in, run a pre-quit checklist. Get a real quote for health insurance for the gap, not a guess. Map your travel as low-cost stays with friends, but include flights, trains, and the property taxes and insurance that still have to be paid while you are gone. Decide in advance what would make you cut the break short — not a vague feeling, but a clear line like dipping into the emergency fund. And write down what has to be true for you to feel okay going back, whether that is a different schedule, different work, or just rest.

You do not need to frame this as quit forever or grind it out forever. There is often middle ground that your burned-out brain cannot see right now — an unpaid leave with a return date, a shift to part-time or contract, a move to a team that does not drain you. If you do quit, give the sabbatical structure: a start date, an end date, a budget you track monthly, and a date when you start looking again. A break is restorative when it has edges. Without them, it just becomes unemployment you chose.