building a streaming website like netflix

I would like to buy film and music copyrights and resell them on my subscription platform as a video streaming system I want someone to develop a video streaming website like netfflix for audio and video on demand with: a subscription system. Easy to manage administration At least two video qualities offered to the user I want a site that I could continue to improve over time, therefore with understandable source code and rest APIs for the transition to a mobile version. Please specify the type of language or framework you intend to use and what is its benefit for my project. How should the hosting service be at the end of the project? Should you go to use third-party services in the design? and if so, will its services be chargeable and how much will it cost!