Ahhhh, I've never had a less than awesome time in SF. Minus blowing out my elbow on Halloween night [but I edit that memory out]. I knew it would be difficult to find parking...especially with my big van, and hopefully on a flat area for sleeping purposes. I squeed when I found this in Outer Richmond:

No better place than the beach for sleep! And just around the corner from Safeway, an awesome cafe, and plenty of restaurants!