I use Alibris books. It is a consortium of used book stores that also at times have new books in stock.
Prices including shipping often beats amazon.
and I have no problem paying shipping. People have to eat.
Yes, as a book lover I have used alibris and of course ABEbooks which was taken over by Amazon.
An old SF novel by Frederik Pohl I used to think was absurd is coming true. It predicted there will be Food, Pharma, Energy, etc. all owned by one powerful owner for each segment. Look at Kraft Foods, Nestle and a couple of others for incredible variety of brands they own. CVS almost had Walgreen’s recently. Look at the health care conglomerates.
It will make it easier for Bernie Sanders and Ocasio to design the total socialist ownership of them all. Hope not.