What are the advantages by running an masternode/sanctuaries ?
What kind of cpu's/pc it is necessary for running one?
I'm not sure what the devs have in mind, but it should be pretty similar to a Dash masternode which you can read about at
https://www.dash.org/masternodes2/. Note that in Biblepay, masternodes will only receive 10% of the block rewards as opposed to Dash's 45% (if I'm reading the example in the original announcement correctly). I'm sure some of the other numbers will be tweaked as well since this is primarily a charity coin, but it should give you a general idea of what's involved.