What’s the best place for bulk orders of a printed book or script?

This is post 9 of 12 in the series “Self-Publishing a Stage Play”

Do you dobulk orders through CreateSpace?

This was part of a longer Mailbag question that I separated out because the answer is long.

In 2002, when I started this self-publishing journey, print-on-demand printing was WAY more expensive than it is now. I used POD printers to source to the distributors (Lighting Source aka LSI and Booksurge which was then bought by Amazon and merged into CreateSpace) and then had a printer out...