Sims 2 values for games on ebay

Whats a Good price for a sims 2 set that includes: The original sims 2, Sims 2 Castaway, Buissiness, Seasons, pets, nightlife, Glamor and celebration stuff and while I'm at it I am going to throw in hospital tycoon as a free bonus.

none of them are damaged or missing any brouchers but they are used.

what schould my starting bid be for this whole set?

You have to do research on ebay and do a completed search and see what they sold for previously. Then list yours the same way that the ones, who got the most, did, such as same catagory, Similar title, starting price, etc.

What system is it for?

Computer.