Amazon has the OFF! Defense Insect Repellent Spritz with Picaridin (4 oz) for $3.79 - 5% off with Subscribe & Save (can cancel anytime) = $3.60 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders). Same price at Walgreens.

Long-lasting mosquito repellent that protects from biting flies and also works as a tick repellent.