How to get rid of cockroaches?

I was siting on my bed playing something on my iPad and then I felt something touch my foot and ignored it and than I looked down and it was a HUGE FAT GIANT cockroach and I ran out of my room so fast and bust the door open, I had my cigarette lighter and I almost burned my house down and I was BEYOND scared I almost had a heart attack, I ran and called my mom and she came and killed it. I just can't believe this one was so huge cockroaches don't even usually get that big. Will leaving all the lights on in the house deter them? Or do I need to get a bomb or something? I honestly would rather see a ghost in my house than a cockroach UGH please hell:,(

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