A long weekend and what to do?

We’ve made it back to San Diego safe and sound and I have a four day weekend coming up and not too many plans other then a get together to with some friends to consume a prime rib I got for Christmas and a turkey left over from a gift certificate.So I’m looking about the internet for cheap things to do in the area. We’ve spent our wad and other then cleaning, San Diego is too nice of a place to