I just look on eBay for a seller with at least 99% positive feedback and a relatively good price compared to other sellers.

In 2003, when Halloween was on a Friday and so I expected a lot of trick or treaters, I bought this from eBay seller kiddykoo:

100 8" NEON GLOW STICKS HALLOWEEN TREATS! $12.00
70 8" 4-COLOR SWIRLY GLOWSTICKS-NEW-DUTCH! $10.00
which, with shipping, came to $30 for 170 glow bracelets.

In 2004, when Halloween was on a Sunday evening and so I expected fewer trick or treaters, I bought 100 glow bracelets for $13, including shipping, from seller glowgranny. Note that you need to watch shipping costs on glow bracelets. This was priced as 1 cent for the bracelets and $12.99 for the shipping.

My four year old says that we should do glow bracelets again this year. I'd prefer to give out books from the library's booksale, but our local booksale had a big scandal recently and had to shut their doors, and I'm not sure they'll be open again in time for buying books for Halloween.

Ok, that's probably way too much information!

-Valerie