Confused

I am really confused right now. I wasn't expecting that birth control is very expensive and for sure it will affect our budget every month since we are still paying of what we owe from giving birth. I do not know what to do now, I thought taking this route will ease up my fear of getting pregnant again but it made me more confused and asked myself if I really did the right thing. It is also our communication because in the first place my hubby is against with this birth control pills and I still go for it. Now, it the cause of an argument. Hopefully we can fix this.