Thoughts on wills?

I'm updating my will in two weeks and I'm wondering if anyone else had any thoughts? I know most of you are married or have kids. I have neither. Assuming I outlive my parents I don't know what else to do. My sister owns 49% of the land I have and care take for so she gets that 49% no matter what. She's not getting any extra since she's currently seeking to sue me or whatever.

I have currently have a college fund contributiopn in it for my 3 nieces/nephews. I tried to work a deal with the nature conservancy for part of my land with one of the largest stands of longleaf pine in this part of the country. However they didn't like my restrictions and such.

Thinking of the longleaf fund and the American Chestnut foundation.

I don't know what else to look for and the gotchas? I have a will currently and I had it looked at by another attorney after I had it done.

Any tips or anything else?

She wants to sue for just enough that she would be 50/50. I manage the property for timber and wildlife and according to the estate when I inherited it I could technically charge her for it, something I haven't done.

I surveyed out the property into 51/49 and gave her the crap part but there's no guarantee that will hold up.

I have to look into options for my parents and grandmother as well since both houses/land are in my name as well. I don't know what I'm going to do with the land at this point. I was just going to make donations to the 2 mentioned foundations.

I'm not donating any land to any of the foundations. I had originally wanted to do a portion for the nature conservancy but they didn't like my "strings". Thier end will be stricly money.

The land I haven't decided who to give to, possibly a few friends and divide it up. My parents and grandparents don't have any interest in that land. I own the land that they now live on and both houses is all. 2.5 acres for my parents and 7 for my grandmother. That's an entirely separate issue. It was put in my name to keep my sister from getting it years and years ago.

The land that I got and now own 51% of is separate from all of that. She lives a pretty good life off what I have done with it. From timber sales, hunting fees, and 2 oil leases over the last 9 years. She's never set foot on it or within 300 miles of it.

Not to mention I doubled the size of it with a 3 way land swap with the US Forest service and a timber company and gained mineral rights on what I traded for. She's just sees it as a one time quick payment she can get if she had enough control to see her 49%.

Met with an attorney Friday to discuss having a new will made. He said he had a conflict of interest. Running out of energy to get this done.