Generally, it’s best to leave the money in your retirement accounts safely tucked away. Withdrawing money early can trigger taxes and a 10% penalty, plus it can cut into what you otherwise would’ve had for retirement. There are exceptions to the 10% penalty, though, and Congress has added more. Even better, some of the exceptions now let you repay what you took out and get a refund of the tax hit. However, always check with a tax pro to fully understand the rules and tradeoffs. Here are just a few of the changes to be aware of.