It’s a selfless act. Loving your baby so much and knowing they deserve more. There’s nothing wrong in that.
What are some things that you are uncertain about? Have you looked into talking to someone about all of your concerns and options?
Previous poster is right there are children that need homes. But I would focus on one thing at a time.
I'm a single mom with 2 kids. NO support whatsoever and thousands of miles from home and family....if you want you child it will be ok. You are capable of this.