They can require that you pay in pennies if they want. You can say no and walk away. There is nothing even remotely illegal here.

You can to a few things: Don't post on an open Internet site. Retain your own attorney. Help him hire an attorney.

I am sure there are some university administrative procedures you can go through. You certainly aren't going to hire a lawyer and sue over it.

Maybe they aren't ready to settle. They won't take you seriously if you don't have an attorney. They know you can't take a case to a jury trial.

Stating on an open Internet site that you filed a false police report is a bad idea. You need to retain your own attorney.

There is only one answer to your question. You need to hire an attorney.

Spending tens of thousands of dollars to sue for $20 makes no sense.

You have to prove that your doctor did something wrong, not just that you didn't get the right result.

Nothing in your post suggests grounds to sue Walmart IMO. And, even if it did, you have no damages to sue for. Shop elsewhere.

Most lawyers offer a free consultation. Call one, and ask them if it is possible to get your husband to pay your fees.