I'm so glad you are excited. I wish you lived closer. I have a refrigerator in my spare bedroom unplugged and unloved (it went to school at Texas A&M and Texas Tech so maybe it graduated but it still works well.)
Textbooks are best purchased after meeting with your professor and getting their particular syllabus. Things will change semester to semester. Some instructors will require certain books, some recommend a book, etc. but all the books will have been listed with the school (are they really telling you what books you need before class even meets?) and given out as required texts. Nothing worse than buying a book you really don't need (recommended isn't required). After teaching several college classes as well as taking my share, I have found that most of those "required" lists that are given out have been generated by some department head somewhere and many professors won't use half of them.
I just checked with my kids who are still in college (on is an undergraduate program, the other in graduate school) and they both say to wait for the syllabus if our $0.04 (inflation) is worth anything.