As one of its daily deals, 5StarDeal offers this Bathroom Safety Bar for $4 plus $2.99 for shipping. That's a buck under the lowest total price we could find for any comparable safety bar elsewhere, outside the mention below. It features two suction cups and flip-up securing vacuum tabs. (No tools required.) Deal ends today.

A close price: Ceedlim via eBay offers a similar safety bar for $7.15 with free shipping.