For herbs right now I just need Basil.
I also heard that tomatoes should be in 15gal containers?!
But anyways, not any container is going to be big enough...
If you go to
Morton's Horticultural Products and go to the Nursery Containers they have very cheap pots for like the 5gals for like $1- and 15gals for $2.. way cheaper than my local store. Don't know about shipping though