Follow instructions: (I just did mine and it worked like a charm)
Sign up on living social for a new account to get a $10 credit (must be new account and must be referred by a friend to receive the $10 credit. The +1, +2 trick works)
Purchase a $50 boxed.com voucher on living social for $25 (search word BOXED)
$10 credit will automatically apply
use code shpp10 for additional $3 off.
checkout for a total of $12!
Now go to boxed.com and sign up- no fees.
Add $50 items to your cart - shipping is free at $50
You can also try to stack the code FHULH for additional $15 off (if it works, you'll need to add another $15 items in your cart of course.
Total should be Zero.