BigFitness

BigFitness offers both new and pre-owned fitness equipment.  Founded in 1991, they offer a 110% price protection policy, 31 day money back guarantee and free shipping on most items.  They also have two brick and mortar stores (one in Rhode Island and one in Massachusetts).

  

John Du Cane has done a great job in putting together a resource for (as their byline says) supreme fitness and well being.  This is the place to purchase anything kettlebells.  They also offer a one year, 100% money back guarantee.

In business since 1917, Gately's offers free shipping on all orders every day and a 30 day, money back guarantee.  Be sure to visit their health and fitness related departments - exercise machines, free weight equipment, accessories and women's fitness.