A few very random notes:
xtramath works really well on iPad if that's a possibility for anyone. I use it with a student I teach/tutor and he wildly prefers it to using the computer (we don't have a 10-key pad).
Also, the Homeschool Buyers Co-Op has a Dreambox offer up right now; I think it's one of their more common offers. I've never done anything through them, so I don't know much more, but here's the linky (warning: loud video starts playing automatically):
https://www.homeschoolbuyersco-op.org/dreambox-learning/?c=1I know that when you sign up for the co-op, you have to affirm that you're a homeschooler. Not sure if their definition of homeschooler includes "part-time homeschooling" or "afterschooling," or if it really matters, but... yeah.