It's incredibly hard work, and draining because they are potentially in danger almost all the time. We were lucky enough to have two girls 15 months apart, which is more work sometimes, and less others because they played a lot together. However some of my fondest memories of spending time with my daughters is from that time.
I’ve seen quite a few families where one parent doesn’t do any childcare... that looks super tough, which is why I can forgive those parents sometimes zoning out and playing with their phone...
It's good for you so you can have a life other than just being a parent, and it's good for your kid because he/she can learn to socialize early and interact with someone else than you.
But I understand it's not always easy to find affordable daycare depending where you live.