You could try doing a priceline room. On average you'd probably get two beds and you could order a roll away. I have found many good priceline deals lately! You can choose the area you want to stay in too. Mission Bay and shelter pointe areas are really good for tourists...Mission bay is really close to sea world ( you definately DO NOT want to go there on a weekend in the summer, it's a ZOO!!!!)
Things we DO NOT MISS when we go there are...Sea World, La Jolla area (it's very beautiful and you can watch the sea lions), YOU MUST, MUST, MUST go into Coronado. It's an amazinly beautiful area! and it has one of the best family beaches in the USA! The beach is located right between Hotel Del and The ocean. It's amazing. We were lucky enough to stay there for our last visit, the hotel is beautiful and worth going into for a visit. They have an ice cream place that is out of this world.
If you want to take a "tour" through a vineyard, go to Orfilia winery in Escondido (justnorth of SD). They let you walk through the vineyard and it's fun to look at the different grapes. They even make their own olive oils and vinegerettes there. It's a lot of fun.
We found a TON of GREAT coupons online at San Diego Reader | Online Coupons â€“ discounts, deals and coupons for San Diego restaurants and services
and there are lots of good restaurant coupons.
One thing you'll find when you get there is that the entire coastline is beautiful. There really isn't a bad spot to go along the water. Point Lloma (spelling???) is a very neat place to go, wonderful views and a nice drive. Go there in the morning or late afternoon...they close at like 6 or somewhere around there and won't let anyone out there after it's closed.