http://takemefishing.org/nfbw/ -during National Fishing and Boating Week, most states offer free fishing days. These are days where anglers are allowed to fish on public bodies of water without a fishing license. Visit that page to see when your state has free fishing days this year, most of them are in the first week of June.
https://dairyqueencorp.childrensmiraclenetworkhospitals.org/tag/free-cone-day/ -get a Free Small Serve Cone at Dairy Queen on Monday, March 20, 2017. –locator
http://www.thefreeosk.com/find-a-freeosk/ -use the locator on that page to see if your Sam’s Club is participating. If they are, visit the Freeosk Sample Booth at your store to get Free Kellogg’s Fruity Snacks. Some Walmarts will have free Glad Kitchen Pro Trash Bags.
https://www.mbusa.com/mercedes/service_special/wiperblades?-Offer valid at participating Mercedes-Benz dealers on 2010-2013 C, E, M, S and GLK models only. Offer good until April 1, 2017 or while supplies last.
https://www.facebook.com/ediblearrangements/photos/a.10 -get a Free Salted Caramel Apple Bite at Edible Arrangements Today –locator
http://kidsskatefree.com/index.php -many locations across the country have free roller skating for kids with this program. Typically you will still have to pay to rent skates though.