Lol constructive criticism its harsh at times...
If you NEED that laser anything under 100 bucks are about the same. Red cheap and easily mountable. Depending on how bright the room or your flashlight is i'll probably wash out anyway. If you want one get a green one. There expensive but they are better.
P.S. Classes never hurt.
Pro Tip #1: If clearing your house at night turn the lights on in each room. Works waaay better then a flashlight.