Newegg offers Assassin's Creed Odyssey for PS4 or Xbox One for the in-cart price of $17.99. Opt for FedEx pickup (see locations in-cart) to avoid the $2.99 shipping charge. That's $2 under our mention from four days ago and the best deal we've seen for this late-2018 release. (It's the best price we could find for either platform by at least $2.)
With these companies, it might be easier than you think to negotiate your monthly bill down.