If you both are big drinkers(10+drinks per person per day) and big eaters, the AI is going to be more economical. 20 beers, if they are RS, will cost you a minimum of $50 day. Go for frozen drinks or cocktails and you can spend $100 a day in bars. Throw in large quantities of food....you get my point. But then you become "economically" imprisoned by your AI. To make a go of the price dif, you have to eat most of your meals and do most of your drinking at the AI, and that is what causes people to not leave the AI. YMMV.
