Yeah, it's definately a big outlay to begin with, but thinking in the longer term, not being reliant on anyone else... It gotta be worth it...
For the long haul it will pay for itself too, have you estimated how long it will take to get a return on your energy outlay?
Looks like Steem & the initial Bitcoin investment has sure made a good impact on the savings too...
Pretty good vision - Good Luck.