If your not completely satisfied with Swiffer Wet Jet Starter Kit, Swiffer Sweeper Starter Kit, Swiffer Sweepervac Starter Kit, Swiffer Dusters Starter Kit, Swiffer Dusters With Extendable Handle Starter Kit, Swiffer 360 Duster Starter Kit, Swiffer Sweeper Extra Large Starter Kit for ANY reason they will give you your money back, excluding taxes.
At the bottom it the fineprint say's "One offer per household per starter kit" So I'm assuming you can do one per starter kit.

http://www.swiffer.com/en_US/promoti...ebate_form.pdf