PSA: 3 days left to save your costco photos and convert to shutterfly account.
Also if you are ordering prints with the current sale ( free unlimited pages) you can get free shipping on orderes above $49 vs the reg free shipping which is only for $75 spend.
This stacks with the unlimited pages.
Just make sure you have more than $49 in your cart and unselect the 50% costco discount and select the 40% discount, unlimted free pages and costco free shipping