I think everyone else here has covered the specifics fairly well. The best advice I can give is to remember that you're at the start of a long road. You need t

I think everyone else here has covered the specifics fairly well. The best advice I can give is to remember that you're at the start of a long road. You need treat it as such. No matter how smart you are (or think you are), it will take you long time to learn everything you need. Persevere. Err on the side of learning more than you need. You'll find later that knowledge will be useful. Be curious.