How to decide?

I have a 2 1/2 year old son. He is my world. My husband and I always talked about having two. I want another. I just don’t see how I would have time for both. I know a lot of parents have probably thought this before trying again. Anyone have any advise on what helped you make up your mind? I just don’t want to take away time from my son but as an only child I definitely want him to have a sibling and I want another baby! Money isn’t an issue, we definitely aren’t loaded but we have enough. Luckily I work in child care so I don’t have to pay for my child/children to come here. I’m not looking for anyone to “tell” me to do it or not. Just some advice I guess