That's the point. Domains causes no problems. Only in some weird scenarios, things can become troublesome. In those cases you need a support. In others you don'

That's the point. Domains causes no problems. Only in some weird scenarios, things can become troublesome. In those cases you need a support. In others you don't. If you have a domain registrar with a good support, account the premium you pay as such: a premium for an insurance when things go bad.