Offers are judged by value, the more value the higher you can charge.
So how do we measure value?
The answer is you can’t
There is no set guideline on how much you can charge, it depends on how much it is worth to the custyomer buying he product.
So maybe the better question is to ask
How to make it more valuable?
There are 3 types of products you can include into your offer:
1) DIY – Do it yourself type can give