http://y5wnzw4e6i7srm2gqadlow5anhlaj5avdkzbwzbmrxwkygxdp7ffieqd.onion/blog/guest-questions-i.html
Aside from that be mindful of the reputations of services that you must work with, VPS, domain registrars, etc. Some of them are ran by incompetent people, who have nice epic leaks that spill all your PII for the world to look at. Some people might think: 'You should NEVER trust a company with your PII!' Well, you never really expect it to happen until it does, then you realize the amount of faith you put in random companies.