Yay, I'm going to Startup School!

I do have a toddler who doesn't exactly sleep without mama yet. (And I'm not sure how well I can sleep without him either) Plus the guilt that comes with leaving him behind. Anyways...

I'm thinking about having my husband come with me to CA and keep him in the hotel or do something fun around town while I attend the Startup School. That way I'd only be away from him during the day (like work) instead of 2 nights. To be clear, he won't actually be attending the Startup School event with me.

1) How crazy is this idea? On a scale of 1-10.

2) Is there anything fun for kids to do in that area? I couldn't find anything online...

3) Any other "attachment parenting" mamas (or dadas) going? How do you deal?