Running a mint for yourself loses most of the benefits.

Cashu is easy, but maintaining a Lightning node behind it is a bit of work...

Pretty easy, just a node + nutshell Not an endorsement, no idea if it's hackable etc https://github.com/cashubtc/nutshell

If you already have a lightning node, it's trivial. I thought the whole purpose of Cashu was to have a bunch of people use the same node for a bit of a anonymity set.

I would not run one

There was this at one time. https://github.com/heathermm55/purrmint