wheres the cheapest place i can find a lipo sack?

[blueb8llz]

i want to get one but so far the cheapest has been $29 with free shipping? can anyone beat that price? oh i found some of these on ebay for like 10 bux shipped...you guys think these will work:
http://cgi.ebay.com/US-Patrol-Fire-R...QQcmdZViewItem

and since were on this lipo subject, quick question. i ordered some lipos but i wont be be able to use them for about a month, what should i do with them..fully charge them and let it sit??