DiscountMags discounts a selection of magazine subscriptions during the return of its Black Friday Blowout Sale, with prices starting at $2.97. (Prices are as marked.) A couple of best bets, with prices tied for the lowest we've seen for each (you'll have to search the page to find them):
Popular Science Magazine 1-Year Subscription for $3.88 (pictured, 6 issues, low by $3)
Taste of Home Magazine 1-Year Subscription for $4.49 (6 issues, low by a $3)
Planning for retirement savings to last until you are 90 or older is a daunting job. Make these errors, and the task goes from "difficult" to "impossible."