How do i get this girl? plz hlp!!?

ok there is this grl tht im feeling but she said tht she is kinda seeing someone but seems so into me by like writing notes during cl and laughing alot and everything. she has her own house tht she paid for and is only 20 lol her parents have a business at her home town and car and everything like shes got her **** together!! how do i approach this situation? im a cute guy and confident and smart but i dnt wana be all on her and everything yuno. we have a cl together and have the same major so do i just look at it as friends for right now or wht and if i do thn how do i do tht, how do i make myself seem like the guy for her but as i jst see her as a freind right now lol tough question so lets see wht yall got