Why is the price difference of Katana so huge?

What is the difference between an economical entry-level katana and a high-level katana? It would be easiest to say you get what you pay for. There are many different things that directly affect the cost of a katana: The Sword Smith, The Tempering Process, The Level of Polish, The Type of Polish, The Details of the Hamon, The Edge Creation, Blade Shaping, The Material of Blade, Handle , Samegawa, Tsuka, Mekugi Pins, Furniture, Saya and Saya Cap, Furniture Production Method, Furniture Finish, Furniture Pieces Included / Excluded, Furniture Final Fit, Saya Fit and Profile, Saya Ornaments, Produced Location.