I live in America, and gas cost about $2.05-$2.30. Gas prices used to be around $3.73-$4 last year but the price dramatically decreased. A loaf of bread costs around $1.50, but organic bread is usually more expensive.

'em is just slang for "them". It would properly be "Here, put them up at this corner--No, tie them together first"

You wouldn't just say "You're junk". Instead you would say "You're a piece of junk" or more commonly "You're trashy". Remember, these are all negative statements!

"Long time no see" is commonly used when you haven't seen or talked to someone in a while.

Hi I'm a high school student from the United States :) We typically just write our notes in notebooks, and then sometimes teacher will email notes through our school emails. Some private schools and schools with more money provide laptops for students to use throughout the day and then bring home, but most schools just use regular notebooks.