My Instagram rules (in progress and being revised):
1. iPhone only.
2. Photos must be posted on IG same day as taken.
3. No more than 5 posts in one day.
4. Don't follow people if you don't like their work.
5. Make a point to comment when work makes you say 'wow', catches your eye, etc.
6. Be kind.
7. Follow. Don't have more followings than you can actually keep up with.