There will be discounted pricing on the official hotel. (Same as last year, and details will be on the
http://www.avscruiseniagara.com website.)
Attractions will be on your own, not as a group. There are plenty of things to do (Don't miss the Maid of the Mist, it's real, and it's awesome!) and like last year we will try to get discount coupons to many of the attractions.
A meal or two
might be included in the registration, but generally you will be on your own for food.
It is a tourist area, with lots of attractions and tourist traps and trinket shops. The area is generally expensive, as any tourist area can be. You can spend as much or as little as you wish. Putting a dollar figure on it is hard.
Last year, apart from hotel and registration costs,
I spent about $50 for the weekend. (But then I live very close and had seen it all before, so besides going out for dinner I didn't do much.)
The best thing to do is pretend that it is a family vaction to a hot tourist spot. How much do you usually spend on a long weekend vaction trip with the family?
-- SS