Lots of information for you to digest. Brief synopsis of what I have seen looking at the information. Cow tag will take at least 1 preference point to draw. Buck tag is also valid in unit 41 and 421, the hunt code is DM041xxR. xx = the season you choose. Looks like you will need a preference point there as well. Keep in mind that I looked at this info very briefly and the preference point info may not be correct. All my information is based on the assumption you are hunting with a rifle. The info for archery and muzzleloader is in the stats as well.
I can't give you an answer for that one. Depends on which part of the unit you are planning on hunting. Some parts are probably better in the second season and some areas would be better during the third season. Maybe someone else on the site could give you some pointers without giving out their secrets.. You could also try to call the DOW officer in the area.
Elk have been killed close to roads where they could be loaded whole into the bed of a pickup. But it doesn't happen often and I'm not sure that is the experience that I long for. The type of elk hunting that I prefer requires rigorous physical exertion that can cripple someone who is not in shape. Being a college hockey player I have to be in at least fair physical condition most of the year but when one of my buddies got back from the Navy Seals he changed the way I think about physical...