Steve o
I personally don't have any praire dogs. Seems the've become extinct on this place and I'm damn glad of it.
I've got a neighbor who has some and we go shoot at his in the summer but he knows us and isn't afraid of us leaving gates open, littering and/or accidently shooting any cows or his house. And if he finds anything like that aftewr we've been there, he would know where to go to talk to the responsible party.
I'm not saying you are the kind who would do any of those things, but thats the risk we take when we let strangers in to hunt.
Most times, it's just easier to deal with the problem animals ourselves as to put up with all the possible problems, of letting strangers in, or for that matter, some people we even know.
As a land owner, you must understand. What if someone wanted to come and camp and hunt and fish on your property and you would be liable, if anyone got hurt? Seems like, thats the way it is around here.
As far as charging, some do so they can justify not getting much work done on hunting day, as they are going to watch and make sure that things don't go bad or wrong.
I guess you better visit some people and make friends and then you would be more likely to be allowed to hunt on someones land.