Welcome to TONMO, the premier cephalopod interest community, and birthplace of #WorldOctopusDay and #CephalopodAwarenessDays. Founded in 2000, we are a large community of experts, hobbyists and enthusiasts, some of whom come together when we host our biennial conference. To join in on the fun, sign up. You can also become a Supporter for just $50/year to remove all ads and enjoy other perks. Follow us on Twitter for more cephy goodness.
I haven't ordered an octo yet, but my housemate ships piranhas from different stores around the country. His costs are consistently about $50 because they have to be shipped overnight in a reasonably large styrofoam box. I assume that octopets or fishsuppy is the same way.