Today only, save 30% on Bowflex SelectTech 552 Dumbbells via code DAY3A, dropping them to $279.30. Even better it comes with a free bench. On top of that shipping is free. This is $20 under Amazon's price for the weights alone, which was the next-best we could find. This dumbbell set replaces an entire weight rack as it lets you adjust the weight from 5lbs to 52.5lbs. This makes them a great choice for space-conscious home workouts. The 384 reviews so far give it them a 4.7-star rating. Sales tax is charged in most states.