srhess,
I have a friend who has a 100 acre lake in Paulding County (Largest in the county). It's a nice lake, but almost impossible to manage. Just the cost of fertilzer and lime would cost an arm and a leg. If you plan on supplement feeding, that's the other leg.
The problem with a lake that size is trying to keep the fish population balanced. If it's properly fertilized you would have to take out about 3000 lbs of bass/ year and 10,000 lbs of bluegill/year(You'd be fishin everyday). Take half the values if it is not fetilized. I have only a 1 acre pond and I can take 30 lbs of bass and 100 lbs of bluegill a year. With a 100 acre lake, it's probably best not to fertize or supplement feed, just some threadfins.
25 Acres would probably be the biggest lake you need for trophy management.
Not to mention all the permits you will need to back up that much water. Good luck.
