Just curious of others opinions.

I am 26 and my fiancé is 49. I know... huge age gap. Luckily he doesn’t act or look his age 😂 Anyways.... we have one almost 9 month old. And he already has two way older kids. 21 & 19. They are out doing their own thing. But I’ve always said I would have at least two kids. I was an only child and hated it. So, obviously he’s on the older side.. which makes me feel that we need to have our final child ASAP. We plan to start trying in July when our son turns one. But here’s the part that sucks. We live pay check to pay check. He works full time while I stay home with our son. I plan to work when my son is a little older, I enjoy staying home with him rather than putting him in day care. If my fiancé was younger I would wait a few years to get more financially stable... but with his age I feel like that’s not really an option. I want him to be around for his child’s life!! We don’t necessarily struggle. We can afford our apartment, we have one car, and we can afford all of our necessities... just not much extra. If you knew you wanted one more baby would you do it or would you not? Most family and friends say to do it if that’s what we want. But there’s those few that I know will really look down on me and that bothers me. What would you do if you were in my shoes?