You need to be able to get into the arcane university, then you will find a room were you can create them.
There are pre set weapons that you can inchant but you can't make a weapon from scratch
no
Buy or find them.
To get better weapons just level up and you'll find better weapons when loot remains.
Some of their weapons, yes. But not all.
if the enchantment system from oblivion remains in skyrim there will be almost infinte unique weapons
It depends on the samuri. if they believe that they are strong and that no one can defeat them they make their own weapons. if they have doubt in themselves they will get a professional to make their sword.
Use silver weapons or magical weapons. Magical weapons always work, even when their charge is depleted!
You can not create your own weapons
Yes.
No you cant
annie