In the ol' days when the country was more hogenous the farmers would just use rock salt or bird shot and pepper your ass. Today with all the gangs everyone is ready to blow your heads off!

No its not a good idea to be in others homes but sometimes the young people do dumb things. As long as they are not a threat there's no need to be killing a trespasser.

Use weapons depending on who they are and what they are doing. That makes sense and most states is law.