BF Goodrich Alenza 245/60R18 Tires

Set of 4 tires. Tread depth is 6/32 - 7/32. Plenty of life still in them. Reason for selling is one tire developed a slow leak where it needs air every 4 to 8 weeks. My wife took the vehicle to Costco where we bought the tires and apparently the small leak was in an area they can't legally fix. If your knowledgeable with tires, perhaps you can fix this yourself and have a decent set of tires for a decent price. Sorry I have no additional information about the location of the leak - my wife doesn't do tires so that's all I know. Price is for the set.