Left 4 Dead 2: How to host Custom Campaign + Mods server in under 60 seconds

In this under a minute tutorial I talk about how to host your own left 4 dead 2 server with mods and a custom campaign for free using Hamachi. Commands: Sv_consistency/consistancy 0 & net_start here&a method that doesn&need hamachi, use the same instructions in l4d2 and it should work well. All suggestions and improvements appreciated :D