From the economical perspective, it’d be more correct to compare “running a pool” with “delegating to a pool”. If running a pool only covers your cost, your ROA would be 0. By delegating the same amount you could get 5-6%.
There are various good option for folks like you. I’d naturally recommend an approach where you have a good return for your ADA (ROA) and at the same time do something to “Make the world work better for all”.
On top of what you get elsewhere, you could enjoy monthly extra payments as documented here and here. Some other good options are here.