Interesting for only $3.99 you can have
A practical 58-page guide for safer Bitcoin self-custody: hardware wallets, seed backups, passphrases, withdrawals, recovery tests and inheritance planning.
Is this more of a compilation, or are you offering something new that the community hasn't explored yet? So many guides about how to protect your assets are already covered in articles, forums, or videos online, and do all the guides have resources to back them up?
And why not accept altcoins? Instead of the PayPal or card option.