Amazon
Amazon offers free shipping with Prime or on $35+. They are matching a lot of Walmart’s prices, so compare the two. If you see a lower price somewhere, use Amazon’s “tell us about a lower price” feature to encourage them to match the price.
Attack on Titan 16 (Special Edition) – $10.47
Attack on Titan 17 – $5.70
Attack on Titan: Colossal Edition 2 – $26.18
Citrus 3 – $7.32
Inu x Boku SS 8 – $6.28
My Hero Academia 1 – $5.23
One Piece 75 – $5.18
So Cute It Hurts!! 2 – $5.18
Trinity Seven 1 – $6.81
Uzumaki Deluxe 1 – $14.11
Barnes & Noble
Barnes & Noble is offering a buy 2, get the 3rd one free manga sale until July 25th. Offer is available online and in-store. Members ($25/yr) get an additional 10% off plus free shipping. You may be offered a free trial at checkout if you are not currently a member.
Right Stuf
From now until August 3rd, get 33% off all Viz Media books with coupon code VIZ15 at Right Stuf. Got Anime members can save even more and get up to 40% off.
Thrift Books
Thrift Books is offering new customers 15% off their entire purchase with coupon NEWBUY. Used manga starts at $3.59 with free shipping on $10+.
Viz Manga
Viz Manga continues their digital manga bundle sale, offering titles as much as 71% off. Highlights include the complete Dr. Slump series for $36, Dragon Ball for $48, the Matsuri Hino bundle for $36, and Ouran High School Host Club for $54.
Walmart
Walmart offers free shipping on $35, normally $50. If a title is marked as a preorder, it is eligible for free shipping with no minimum purchase required. Many more preorder titles are listed on my blog.
A Silent Voice 4 [preorder] – $5.70
Akame ga Kill! 3 [preorder] – $6.75
Black Rose Alice 3 – $5.18
Cardfight!! Vanguard 6 – $5.68
Fairy Tale: Master’s Edition 1 [preorder] – $20.75
FLCL Omnibus – $10.94
Gou-Dere Sora Nagihara 1 – $7.79
Master Keaton 1 – $10.37
My Little Monster 8 – $5.70
My Neighbor Seki 1 – $5.68
Naruto 72 [preorder] – $5.18
Natsume’s Book of Friends 18 – $5.18
Nisekoi 11 [preorder] – $5.18
Phantom Thief Jeanne 4 – $5.85
Requiem of the Rose King 1 – $5.18
Rin-ne 16 – $5.18
Skip Beat! 6 [3-in-1 edition] – $8.20
Spell of Desire 5 – $5.18
The Seven Deadly Sins 10 [preorder] – $5.70
Tiger & Bunny 6 – $5.18
Until Death Do Us Part 8 – $12.98
UQ Holder! 5 – $5.70
X 4 – $10.75
Yu-Gi-Oh! 3 [3-in-1 edition] – $7.78