how much does it cost (total) for one person to go to and stay at disneyland for 2 nights?

Well, I'm going to assume you want cheap. So, a 2 day one park per day ticket for people ten and older costs $158.00.

The Disney hotels are rather expensive but you can get a rather cheap hotel within decent walking distance to the theme park. Expedia.com shows all the hotels in the area and the distance to the park.

http://www.expedia.com/daily/vacations/disneyland/...

The Howard Johnson Plaza Hotel Anaheim Resort is right across the street, has good reviews, and goes for about $95 a night. You really need to do your research because some of these hotels offer complimentary breakfast which means a free meal. However, say you buy all three meals. That's about 60-80 bucks for both nights. Add an additional 15 for snacks a day and that's about $90-$110 for food for both days.

So it'll cost about $440 for the trip for just yourself. However, there are loopholes. You are allowed to bring in your own food. You can makes sandwiches for dinner and lunch to save money and you don't have to buy snacks, but it's hard not to though :p

A two day Parkhopper pass (that allows you access to both Disneyland and California Adventure) is $173 for an adult.

All other costs are dependent on what you want to spend! You can stay at the Grand Californian hotel for over $400 per night, or at a Good Neighbor motel for less than $100. The Disneyland website is a good place to get information about the Good Neighbor hotels, but you can get a better deal on the room booking it through one of the sites below, through the hotel directly, or through a discount travel site such as Expedia or Hotels.com. If you want to stay within walking distance of the park entrance, stick to the hotels/motels on South Harbor. There's a map on the Disneyland website.

In terms of food, some hotels offer a free buffet breakfast, and you can get away with $10 each for lunch and dinner if you're careful. Be sure to bring your own bottled water.

Not cheap...