The value varies depending on condition. A heavily used board or one with a missing piece might go for $20. A board in excellent condition maybe $40-50
That depends on when the board game was produced. Any board game that came out during the height of Beatlemania, in mint condition, probably has collector value. More recent board games (Trivial...
Not much...10 bucks on eBay.
It depends on if it's the 80's version which isn't worth much or the 90's version which came with the 4 PVC figures in it. The one with the figures is worth more because...
It really depends on the game if you go into the store and buy Halo: Reach then a week later decide "I dont like this" the game itself is still pretty popular and they will give you usually 10-15% of...