Mass volume Paypal shipping address labels . . . cheapest price?

For using Paypal to print postage labels for bubble mailers, wouldn't using 8.5 x 11 label paper seen in this link LABELS be the easiest and least time consuming method to ship hundreds of packages per month?
Is there an easier or less expensive way?
Secondly, does anyone know of a cheaper place to buy them? I don't really feel like ordering 10000 of them just to get under 8 cents per just yet

Thanks in advance for any assistance/advice you guys have to offer!
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Comments
Snorto~
Forgot to mention that I'd be mostly sending via USPS and not UPS, since 99.9% would be 1-2 ounce packages, nothing large or heavy
<< <i>I have stayed away from labels when using Paypal shipping out of concern of them coming off and gumming up my laser printer. Anyone have any good or bad experience with this? I was thinking of buying a cheap printer to use just for labels as cutting the labels out from standard paper and taping them up takes more time than I would like.
Snorto~ >>
Yeah, definitely my concerns as well, especially the time aspect
and they don't come off in your printer