No, your iPod will not break. You simply charge it and re-do the jailbreak.
no and you don't need to re- jailbreak it
No. It is possible to break an iPod Touch but really difficult.
The iPod Touch will eventually run out of battery when it is locked, but it will not drain instantly.
the ipod need to be On and connected to internet
To replace an iPod touch battery you would have to send it out to Apple inc.
No. However, there are apps that can tell you your iPod's battery life percentage.
Yes
No.
If you end up dropping an iPod Touch on a hard surface (like wood flooring or concrete), then the iPod Touch has a very likely possibility of breaking (this is if you drop it from about 2-3 feet off of the ground). If you take care of it, the iPod Touch isn't that hard to break. If you buy the silicon cases for the iPod Touch, then it is less likely to break as the silicon cushions some of the iPod's fall.
no you have to download software on youre computer.
No
DON'T
Just look at the top right hand corner of the iPod Touch screen, and that is where the battery symbol is. There are also apps that monitor battery level.