40% off PetBox plus extra 10% off

The PetBox, a 19.95/month subscription box for your furry friends, is 40% off on Groupon.  The current offers are:

• $19.95 $11.99 for a 1-month deluxe box subscription
• $59.85 $32.99 for 3 months
• $119.70 $59.00 for 6 months 

Groupon is offering an additional 10% off goods with code EXTRA10 until 1/19/2015.   This will make your boxes: 

• $19.95 $11.99 $10.79 for a 1-month deluxe box subscription
• $59.85 $32.99 $29.69 for 3 months = $9.89/month
• $119.70 $59.00 $53.10 for 6 months = $8.85/month (56% off!!!!!)  

At $8.85 a month, it is a really good deal!  I might just have to get this for my friends with furry buddies.