Walmart has the Monster Core Power 6-Outlet Wall Tap with 2 USB Ports in store for $3.
Walmart online has it for $20.99
Amazon has it for $25.80
Link for reference – https://www.walmart.com/ip/Monste…g/29749076
http://brickseek.com/walmart-inve…u=297490
Seems pretty available for the price around me.