Best credit card for a young(18), sahm with no credit

Overview

For context, I’m a stay at home mom to a one year old, I have no income outside of my fiancé and want to start building my credit. I’ve heard Atlas is a scam, discover isn’t good for young adults that arnt in school, and I just don’t know much about credit in general. My moms is terrible and so is my dads that’s about all I know. We have to get a new vehicle and it’s going in my name, after that I want to build my credit to the best of my ability but I have no clue where to even start. sub

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