Hello.
I had tried sharing my HD about a year ago, but after a month of 500GB sharing I hadn't received any rewards so I just quit.
Since I see you're actively working on Storj after a long time and your idea was a good one from the start, I'd like to get involved again.
Is there any kind of a calculator available to check my possible income from storage sharing?
There isn't a calculator right now as the team is working on a major upgrade (Storj V3) and planning to release the software for sharing storage in early 2019.
The best thing you can do right now is to register your interest to become a storage node operator (used to be called farmer) at this link:
https://storj.io/sign-up-farmerOnce registered you will receive a survey to fill in with details of your setup and that will allow you to receive an invite for when the software goes live.
Invites will be sent in different batches, depending on your setup you could be in the first batch of invites or in a following one.
I checked the form and it seems to me they only require servers with 100% uptime? The form's lowest bandwidth options seem kinda large.
It's not about using your free 500GB of your old drive anymore huh? Not to mention that if you want to use it for half of the day then it's pointless.