Time to spend those RSF Bonus Bucks you earned between April 15 and May 28, 2017. Bonus Bucks are good for UP TO 50% off your pre tax purchase. For example, if you have 5 RSF Bonus Bucks, you may use all 5 on a pre tax $10 purchase and pay just $5 plus tax. Bonus Bucks are good through Aug. 5, 2017. Bonus Bucks are not valid on gift card purchases, special orders, previous purchases or items on hold.