Amazon has Free Birds on Blu-ray for only $4.99 right now (Reg $29.99). It is on backorder right now, but you can order at this price and you won’t be charged until it ships.
If you don’t want to wait. Best Buy has it for the same price. Select to pick it up at your local store to save on shipping.
You can also get the DVD for only $2.99.
Shipping is free with your Prime account or when you spend $35.