Here is a list of helpful websites, resources and general awesomeness.
Duotrope — a list of magazine markets, their pay-rates and submission schedules. You can subscribe to the service for $5 USD monthly.
Predators & Editors — a list of agents, publishers and editors that have been peer reviewed for legitimacy.
Literary Rambles — a blog that interviews authors, agents, publishers, and has excellent writing tips.
Poetry Foundation — a magazine and foundation for all things poetic.
AgentQuery — a searchable database of agents and writing advice.