SAVE UP TO $218: Shop the Home Depot Ryobi Days event to get a free tool worth up to $89 when you buy the Ryobi One+ 18V Battery Starter Kit. The kit is on sale for $99, down from the normal price of $228. $99 at Home Depot $228 Save $129 get a free Ryobi tool with purchase Welcome to home improvement season. Now that we're no longer in winter hibernation mode, you probable have a list of home and yard projects to tick off this summer. If you could use some new tools to get those jobs done right, listen up to this Home Depot news. The Home Depot Ryobi Days event earns you a free tool with purchase of the Ryobi One+ 18V Battery Starter Kit . The kit is on sale for $99, marked down from the list price of $228 for a savings of $129 on the battery kit. The free tool option lets you pick one from 13 Ryobi items. Mashable Trend Report Remember when BOGO sales used to be good? The Home Depot is resurrecting our faith in getting something for free that's actually good. The Ryobi Days event makes perfect sense.…