Giving someone access to your account, the right way

Sooner or later most families need someone else to touch someone's bank account: an aging parent who needs help with bills, a deployed spouse, a health crisis, a snowbird gone for the winter. And most families reach for the wrong tool — usually 'just add them to the account' — because the right tools are poorly explained. The options differ enormously in what they allow, what they risk, and what happens at death. Getting this right takes an afternoon; getting it wrong has disinherited siblings and exposed parents' life savings to a son-in-law's bankruptcy. Here's the full menu, and how to order from it.

The four tools, and what each actually does

• Joint ownership: the person becomes a full co-owner — complete access, and the account typically passes to them at death regardless of the will. Their creditors, lawsuits, and divorces can also reach the money. Maximum access, maximum exposure.
• Power of attorney (POA): a legal document letting an agent act on YOUR behalf — pay bills, manage accounts — with a fiduciary duty to use the money for you. It grants no ownership, changes nothing about inheritance, and dies when you die. 'Durable' POA (the standard choice) keeps working if you become incapacitated — which is the whole point.
• Authorized signer: added at the bank, can transact on the account but owns nothing and inherits nothing. Simpler than POA but bank-specific and generally void at the owner's death or incapacity.
• Convenience account: offered in some states — a bill-paying helper is named on the account with transaction ability but explicitly no ownership or survivorship. Purpose-built for the aging-parent scenario, and underused mostly because people don't know it exists.

Why 'just add them to the account' backfires

Joint ownership is the easiest option at the teller window and the most dangerous one legally. The added child's financial life becomes attached to the parent's money: a car accident judgment, a business failure, or a divorce settlement involving the child can reach the joint account. At death, the account bypasses the will and belongs to that child alone — the 'we all know it's really for everyone' arrangement is legally nothing, and probate courts are full of siblings discovering it. And every withdrawal the helper makes is legally their own money moving, with none of the fiduciary accountability a POA imposes.

Read the table's second and third columns together and the pattern is clear: joint ownership is the only tool that changes who owns the money and who inherits it — which is exactly why it's the wrong default for what is usually just a bill-paying problem. The three non-ownership tools all deliver the help without rewriting the estate plan or exposing the account to anyone else's financial weather.

Doing it properly: the setup sequence

1. Have a durable financial power of attorney drafted while the account owner is fully competent — an elder law or estate attorney typically charges a few hundred dollars, and state-specific statutory forms exist for simple situations. After incapacity it's too late: the alternative becomes guardianship court, costing thousands and months.
2. Take the POA to the bank IN ADVANCE and get it registered on the accounts. Banks are notoriously picky — some push their own POA forms, some want recent documents, and discovering this during a crisis is the classic failure. A pre-registered POA works when needed.
3. Keep ownership clean: the account stays in the owner's name only, with POD beneficiaries handling inheritance according to actual wishes.
4. Set up the helper with view access and alerts (many banks offer read-only or notification options) — much oversight needs no transaction power at all.
5. Revisit every few years: POA agents can be changed, and should be if circumstances (or trust) change.

The bottom line

Matching the tool to the job: bill-paying help calls for a durable POA (registered with the bank early) or a convenience account — not joint ownership. Inheritance belongs to POD beneficiaries and the will — not to whoever happened to be on the account. Joint ownership is for genuine co-owners, like spouses, who accept each other's risks. An afternoon and a few hundred dollars of paperwork buys both the access your family will need and the protections everyone assumes they already have. The families who navigate a health crisis smoothly aren't luckier — they're the ones who had this conversation while it was still hypothetical.