HN user
Think about scaling this as you're building, your brother is just your first customer, make sure your service works with any number of customers out of the gate. I should be able to sign up for your service, point it at my website to ingest all my information, and have it ready to go.
This is rubbish. I like to ride my bike after work, which ends at 5pm. With DST I can ride all the way up to this week and still get home before dark. Please don't take this away from me, I hate it when it gets dark by 5pm.
Watch out for edge cases. What happens to accounts that change at 11:35PM on the last day of the month?
I was not able to cancel my subscription about 10 years ago, but I found that I could put the paper on vacation hold. I've been on vacation for all but one week a year ever since, one benefit is that I can still access the digital products all year round during my vacation.
They offer security as a paid feature.