When you ask questions, always be prepared to get a variety of answers... then simply weed out what's best for you. LOL!
To answer simply, I'd suggest you look for a rifle. There are many out there to choose from. Something many people have used, including myself, is a Marlin 336 in the 30-30 caliber. With today's ammo you can shoot effectively out to 200 yards and have a rifle that will last you a long time. Plus, it's a deer killer!
Now for the stand question:
I suggest to not get too mixed up with ALL the stuff you can buy for deer hunting. A guy can go broke if he bought 1/2 of what he wanted. LOL! I just wanted you to know you can hunt from the ground very effectively. You can sit on the ground up against a tree, sit on a stool/chair, hide behind a tree or brush, etc. In the last 5 years most of my kills(rifle) have been from the ground, usually sitting on a hunting chair of some sort.
Whatever weapon you choose, be the master of it and learn to handle it like it's a part of you. Also, practice a lot before season and keep practicing all through it. Doing that will keep your eye honed and you'll be ready when that time comes!
One last tip: If you go and ask too many questions in one post, it gets intimidating for one to read and try an answer. If you keep your questions to maybe 1 to 2 at a time, it's easier to answer and believe you will get more help that way.
iSnipe