credit card?

Harleigh

okay, so I'm 20, and I just got my first credit card to help build my credit.. it's really hard to get approved for a credit card for me because they always say "i dont have credit card history" (duh, if you wont approve me for one).. anyway, my friend told me a kohl's card was really easy to get approved for, so I did it.. I want to use it for baby clothes and stuff because my baby will be here in February.. so what is the best advice someone can give me? I dont wanna spend soooo much money and end up behind on payments.. but I know if I just pay it off when I use it, it wont help build my credit???