Purchasing a home is an expensive proposition that leaves many would-be buyers feeling cash-strapped. If that’s you, you might be thinking about taking some money out of your traditional IRA to help fund the purchase. But should you? After all, a 10% penalty normally applies to IRA withdrawals before age 59 1/2. The good news is that there’s an exception to the penalty for certain home purchases, subject to a lifetime limit of $10,000.