This easily doing 100 credit hours a month stuff needs tamping down. You're at most getting 12 days off, but probably less. You have to be lucky or good (with a bot haha) to get premium trips to pile on the credit.
I'm not saying it's not possible, but make no mistake, you wont be home, even if you drive to work. Let's not act like every trip in open time is super efficient.
In before "bro, I credit 100 with 18 days off"