most efficient method for designing a trailer

Hi, i'm fairly new to solidworks and was wondering if someonecould take the time to sort of guide me through the basics ondrawing a basic trailer frame that will be 2 I-beams as the mainframe with crossmembers in between, so i can get the process down.then i would like to know the best way to get cut lists withdetails about the end treatments such as miter cuts and notches. Ifsomeone could help me get started in the right direction, it wouldhelp me out abunchSolidworksGeneral