Books are needed to learn, and there is no need to buy every single book that you need.
No matter how digital your homeschool might be, you are going to be printing something at some point, and probably more than you realize.
Binders of all sizes have been and are still in use in our homeschool.
There are some things that I don’t think I could have made it through the first few years without a science center membership.
Subscriptions to different streaming networks like Curiosity Stream.
I recommend getting the basics and not overwhelming yourself or your kids with all the extras.