Best Buy has some great deals on the LEGO Dimension packs, with prices from $11.99. Plus, all orders bag free shipping.
Check these out:
LEGO Dimensions Fun Packs for $11.99 ($3 off)
LEGO Dimensions Team Packs for $19.99 ($5 off)
LEGO Dimensions Level Packs for $23.99 ($6 off)
Plus, My Best Buy Gamers Club Unlocked members get an extra 20% off. (A 2-year membership costs $30.)