Just had a conversation with someone about their estate plan and realized a lot of people make the same mistakes when setting up a living trust. So I figured I'd share what should you not put in a living trust, because getting this wrong can create real headaches.

First, let me explain why living trusts even matter. Probate is basically the legal process that happens after you die, and it can be slow, expensive, and messy. A living trust lets you avoid that whole process. It's like saying: here's my bucket of assets, I control it now, and when I'm gone, my trustee handles it according to my wishes. No court involvement needed. Pretty clean setup.

But here's where people mess up. Not everything should go into that bucket.

Qualified retirement accounts are the big one. Your IRA, 401(k), or 403(b)? Don't put those in a living trust. I know it seems logical to consolidate everything, but the tax consequences aren't worth it. These accounts have their own beneficiary designation system, which actually works better. That money bypasses probate anyway through that mechanism.

Same logic applies to Health Savings Accounts. HSAs are already individual accounts with special tax treatment. They grow tax-free and withdrawals for medical expenses aren't taxed. Putting them in a trust complicates that structure. Just name a beneficiary on the account itself.

Life insurance is trickier. Technically you can put it in a trust, but it depends on whether your trust is revocable or irrevocable, and what you're trying to accomplish. Some people use irrevocable life insurance trusts for Medicaid planning, others keep the policy in their name with a beneficiary. You really need to think through the specifics.

Here's the one people don't always think about: accounts you actually need to access regularly. If you put money into an irrevocable trust, you might not be able to touch it easily. That defeats the purpose of having liquid funds available. Better move is to set up a joint account with a named beneficiary, or use a payable-on-death account. That way funds reach your beneficiaries quickly without locking you out.

The bigger point about what should you not put in a living trust is really about understanding your trust's actual purpose. A living trust isn't a catch-all solution. It's a specific tool for specific assets. If you're thinking about setting one up, talk to an estate planning attorney who gets the nuances. The probate process is long enough without creating unnecessary complications with your trust structure.