other than "to support the network and feel better about myself" what are the benefits of running my own bitcoin node?
Running your own Bitcoin node is so underrated. It is neither costly, nor technically challenging (with projects like nostr:nprofile1q9z8wue69uhnvmr9dp58jernwf6xsct8d45hxdn4w5m8gatrdej8v7nhxa3h2cnsw94ksanc09unw6n0d9hkxdp4d44hxu35v4skgtn0de5k7m30qy88wumn8ghj7mn0wvhxcmmv9uqzq44xkafh8j8hhy79809wsmv0lw46nu4pkwqjyp20ekml80mytde8phfu08) to run a node these days.
Discussion
There are many but the most important of them all is you don’t need to trust 3rd party to broadcast or verify transactions.