Welcome!!! WOW ... how exciting for YOU! You have received lots of great advice!
I started with the Olfa kit (mentioned above) which included a self healing mat and two rotary cutters (45mm and 18 mm), (this set runs about $45 but with a 50% discount...great deal!!!) and my favorite ruler is 7"X14" made by Nifty Notions. I eventually added the rotating mat and a longer ruler and larger mat. In addition to the notions mentioned above, a few more I find useful are a sliding seam gauge, retractable tape measure and marking tool (I like the Clover Chaco Liner Slim-White) and a black Micron pigma pen for labeling your quilts. A little notebook and sticky notes are handy, too! More sales will come and you can add as your budget allows. Enjoy!