Link:
Price:
549
Discount:
$150 0ff
Retailer:
Costco.ca

 

The i3+ is on sale all over the place for 549, however costco has the i4+ for the same price. If you have the $50 costco coupon, brings it down to 499.

A quick Google said i4 is almost the same but with better filters and 20% more battery than i3

 

Link: