If I'm noit mistaken, isn't it reccomended if you were level 10 for dawnguard, I dont know if I read that somewhere or something but like you know, thinking back to shivering isles wasn't the recommended level to play like at least level 10 ?

You are correct about the recommend level for dawnguard being 10, also haven't played SI so I can't answer that

I think from the countless interviews i watched you have to be level 10 to start the dawnguard quest.