BLM and other boondockcing sites in Arizona and Nevada

You can always get one free night at some casinos here in Vegas in there back open parking lots, Mandalay Bay on the far south strip has good large open areas, can get 1 or 2 nights free before security tells you to move on, there is also some local casinos that you can get 1 night, happens all the time but don't abuse it and spend some time in casino and they will usually let you have a free night, you can move from casino to casino and get a week free.