question about old yt accounts

i have over 100 old youtube accounts, most of them are old, they were created 1-3 year ago , and most of them are barely used .
how much could i sell them for?
none of them are created in 2009 they are 2007 ,06,08 and 05 . are they worth since they are old?
actually i have over 200 and they are all created in 06 , 05 07 and some 08

I'm interested, I'll PM you.

updated:
i have around 500 accounts now.

am sorry , but due to some problems i cant provide anymore youtube accounts. but wait , i have a better service coming up , its one of a kind , and am sure its has never been offered on this forum before.