I was homeschooled all the way from k5 to 12th grade. my biggest lesson I learned was how to find answers to problems on my own. I didn't even realize it was a skill I developed until college. I didn't have a teacher for math. it was just a book and the answer key. I would redo the problems I got wrong on a test/quiz until I figured out how to get the right answer. that has translated very well for me in college and in my professional career. 
I also loved getting all my work done in 4 hours haha. I played a little to much world of Warcraft  in high school 🤗😆