You can always call Support if you're really in a pinch.
That's where we in the Community can help or point you in the right direction. A lot of unique solutions get posted here, so it does take a bit of time to hunt down precisely what you want. Each business is unique and Marketo lets you build the logic yourself.
That being said, it would be cool to have a live chat when I have an odd question about the system and I can't find an answer easily in the Community.
Keep in mind that Support's goal is to make sure your instance is working and to track down particularly hard situations. They want to know about anomalies, bugs, tough troubleshooting, aborting campaigns.
They are not usually there to help you design a workflow.
Good: My lead is duplicating 100x and I can't find anything in the Activity Log
Good: Why am I getting Sync error X?
Good: Where do I press for X, Y, and Z? There's nothing there.
Bad: Please help me design this 5 stage nurturing program where I want to move people who did not click/open to Stream 3, then Stream 4, but only on Wednesdays. You can try this, but Support may not always help you.
I'd be curious if you would want the ability to call or chat with someone who could help you do that workflow design. Let me know.