Also, any investment required after purchasing the eBook? If so, for which methods? Thanks.
The $10 is already a discounted price;)
No investment is required, as it is a bundle of eBooks / guides. Except Spotify.
For the Spotify 2 Months guide, a small investment would be very comfortable.
$0,20 - 0,25 is required for the 2 months Spotify Premium. Upgrading is also possible for the same $0,20 - $0,25.
It is a personal way of upgrading, no Family Plan involved.
If you like, feel free to ask more questions or PM me your Skype.
Best regards.