Let's have one. Also, if you don't read an omnibus for a while after you get it, like let's say a year, and then you stretch the spine, that's fine, right?

Don't know where to buy? Try these:
http://www.amazon.com/ (known to manhandle books with bad packaging)
http://www.instocktrades.com/ (worldwide shipping, often has sales)
https://www.mycomicshop.com (worldwide shipping)
http://www.cheapgraphicnovels.com/
https://www.ebay.com/
https://www.alibris.com/ (Amazon alternative, it doesn't have the usual fees, it ships worldwide and accepts PayPal)
[your local comic shop here]

Are you Euro or UK and don't know where you should buy? Try these:
http://cheap-comics.com (EU)
http://www.booksetc.co.uk/(EU)
http://www.speedyhen.com (UK, hefty fees if delivery address outside of UK)
https://www.bookdepository.com (free worldwide shipping but known to manhandle books)
https://www.tfaw.com (worldwide shipping)
https://www.booktopia.com.au (AUS/NZ)

Price Comparison website(s):
https://booko.us/
https://booko.com.au/

New list of things out next week:
http://www.comiclist.com/index.php/newreleases/next-week

Upcoming Omnibus/Hardcovers:
https://www.goodreads.com/topic/group_folder/305597