I ran the actual break-even math on buying vs renting an H200 box, and it is not where I expected

Every rent-vs-buy thread I read has confident people on both sides, but not many actually show the numbers. So I finally ran the numbers for our own decision. Posting the working here in case it is useful, or feel free to point it out in case someone thinks it's wrong. An 8-GPU HGX H200 server lands