Amazon has 4-Oz. OFF! Defense Bug Spray Spritz w/ Picaridin for $3.79. Shipping is free w/ Prime or on $35+.
Walgreens has 4-Oz. OFF! Defense Mosquito Repellent Spray w/ Picaridin for $3.79. Select free pickup at store ($10 minimum) where available, otherwise, shipping is free w/ $35+ orders.