
[BOR]
0: Safe
1: Be civil and nice.
2: Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you *have* to.

[EOR]
[BOC]
It won't use anything playing in your house. You could unplug your modem/router and still do remote play.

Playing away from home would use data on both ends. Significant uploading at your house and significant downloading at your friend's. 
[EOC]
