Launching an adult child: the money handoff at 18-22

'Launching' a kid sounds like a single moment — a graduation, a move-out, an 18th birthday. It's actually a multi-year handoff of specific financial systems, and the parents who do it well treat it like transferring the controls of a plane in flight rather than shoving someone out the door. Handed off deliberately, a young adult leaves with a bank account they run, a credit history that's started, insurance they understand, and money habits that survive contact with a first paycheck. Handed off by default, they leave with none of that and a much higher chance of boomeranging home.

The legal cliff at 18 nobody warns you about

The day your child turns 18, you lose the automatic legal right to their medical and financial information — even if they're on your insurance and you're paying tuition. A hospital may not tell you anything; a college won't discuss grades or bills without permission. Before they leave for school or work, get three documents signed: a healthcare power of attorney and HIPAA authorization (so you can help in a medical emergency) and a durable financial power of attorney (so you can handle a financial matter if they're abroad or incapacitated). These take minutes and cost little, and the moment you need them is exactly the moment it's too late to sign them.

The handoff, system by system

• Banking: move them from a custodial account to an account in their own name that they actually manage — reconciling it, paying a bill from it, watching the balance. Reading about budgeting doesn't stick; running an account does.
• Credit: help them start a history early. A student credit card with a low limit and autopay, or authorized-user status on your oldest card, builds the score that will price their first apartment and car. The goal is a thin file becoming a thick one by their early 20s.
• Insurance: they can stay on your health plan until 26, but they should understand what that means, and by move-out they need renters insurance and their own auto policy or a clear plan for it.
• Taxes: walk them through their first W-4 and first return. A teenager who files once with you watching files confidently forever.
• Phone and subscriptions: decide which bills transfer to them and when. A family plan is fine; an adult who's never paid a bill is not.

Funding the launch without funding forever

Most parents help financially during the launch years, and that's fine — the trick is making the help bounded and declining rather than open-ended. Set explicit terms: a fixed monthly amount with an end date, help aimed at specific goals (first-and-last on an apartment, a used car, a certification) rather than a blank check for lifestyle, and a schedule where your support steps down as their income steps up. The airline rule still applies at this stage: your retirement can't be borrowed for, and roughly half of parents who support adult children report sacrificing their own savings to do it. 'We'll cover your phone and car insurance through your first full year of work, then those become yours' is a launch. An indefinite subsidy is a delayed launch wearing a generous costume.

Money habits that ride along

The habits worth transferring are the same ones the parents wish they'd set earlier: automate savings before spending, capture any employer 401(k) match on the first real job, keep lifestyle below income while it still feels normal, and treat a credit card as a payment tool that gets paid in full, not a source of money. You can't lecture these in; you install them by making the young adult run the system while the stakes are small. A kid who automated $50 a month at 19 has both the habit and, thanks to compounding, a running start their peers spend a decade catching up to.

The bottom line

Launching a kid is a handoff, not a birthday: sign the powers of attorney before 18 flips off your access, transfer banking, credit, insurance, and taxes one system at a time, and make your financial help bounded and declining rather than a blank check. Let them run real accounts with survivable stakes while you're still there to coach. Done deliberately across a few years, the launch produces an adult who leaves with the habits and history to stay gone — which is the whole point, and the best gift the money buys.