Do Magic Items Exist in Your Setting?

 

How common are they?

Who can create them?

How difficult are they to make?
>Does it depend on the type of magic?
>The type of item?

How long do these items last?
>Until the magic is used up?
>>How long does that take?
>Forever?
>>Are they indestructible or something?

What form can magic items take?

Who can use them?
>Anyone?
>Anyone with magical ability?
>Anyone trained with them?
>People of a certain bloodline?
>Only the person that made them?
>Only the person it was crafted for?
>What happens when someone who can’t use them tries?

What is the average cost for a magic item of average quality? Exact prices aren’t needed, just a concept of if they’re cheap, affordable, fairly affordable, expensive, ridiculously expensive, etc.