You can get a weather thermometer that also reads humidity for pretty cheap at the store or the pet store next to the Lizard equipment just calibrate it.
No. put a small towel on the bottom of the container, mist that, put plastic wrap on top of the towel.
Turn the eggs 3-5 times a day, not in the same direction, stop turning on day 18.
If you can set up an area that can maintain humidity and temperature, you'll be OK. Like a plastic container with a lid, that you can add a little water to. the humidity has to be higher the last day of incubation. Don't let the eggs get wet though. Put the container on the Brooder plate...