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i've found tapeandmedia.com to be very competitive price-wise for larger orders. I've only ordered 100 at a time, but they seem to have a large stock on hand. They aren't near me (SoCal) so shipping takes a couple of days.
 
Costco

Costco has 10 packs of 60 min sp Sony MiniDV tape for $17.99 - $22.99 depending your region and other Costco marketing decisions. I have bought about 100 of those tapes in the last year, and only 1 had an issue. The protective door on the bottom fell off leaving the magnetic tape exposed, but the tape still played and imported fine.
 
Costco has 10 packs of 60 min sp Sony MiniDV tape for $17.99 - $22.99 depending your region and other Costco marketing decisions. I have bought about 100 of those tapes in the last year, and only 1 had an issue. The protective door on the bottom fell off leaving the magnetic tape exposed, but the tape still played and imported fine.

It depends on what, exactly, you mean by bulk, but I used to buy my mini-DV tapes at Costco too.
 
costco

do you have a link to those costco tapes?

By bulk I mean 25, 50, 100 lots.
10 is fine if I can find them at my local costco.
thanks all!

I should mention that I am in Canada... that could affect things.
 
I live in Canada too. Costco used to sell TDK MiniDV tapes but the last time I saw them there was about a year ago ... maybe more. I haven't seen the Sony tapes. If you find some at a Costco in Canada, please let me know. I loved buying the TDK tapes there ... way less expensive.
 
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