I'm going to agree with the previous poster that there are a lot of variables to consider. Depending on when you're going, there could be several "penny wise, pound foolish" decisions. For example, saving money and staying offsite over paying extra for a deluxe resort with Express Pass included. If you're going during a moderately busy time, you may be better off shortening your visit by a day (say 4 days to 3 days) and staying at a deluxe over staying offsite. If you're waiting 30-40 minutes for each rides compared to under 10, you'll get more done in 3 days with express than 4 days without. If crowds are expected to be light though, you can probably get by with staying offsite.
The one suggestion I can make is don't complete discount at Table Service Restaurants. There are several "deals" to be had here especially compared to the prices of the themed Counter Service restaurants.
For Example:
Confisico Classic Burger and Fries $9.99/ Crusty Burger and Fries $9.99
Guinness & Beef Stew Finnegan's $11.99/ Beef Lamb, and Guinness Stew Leaky Cauldron $12.99