the beauty of beancount (and other plain text accounting ledgers) is the ability to automate them. I also have to go over my accounts in my bank app's automatic categorization and revise them every month, as some transactions get mislabeled.
I've concluded exactly the same!
It's far more cost effective to buy individual books than paying for the subscription.
Hard copies can also be sold if I decide not to keep them, which offsets costs even more