What's is the cheaper for videos website (like youtube)?

I will create a video website (like Youtube, Vimeo, etc) in PHP using Video.js for player. I need to know what's the best way to provide the video for people (Host)

• A website host (like Godaddy website host)
• A dedicated server with 1000gbps
• Put the videos in a file provider in inteet (which?)
• Others?

I will limit the speed to according with the video quality.

• 240p - max 400kbps
• 360p - max 800kbps
• 480p - max 1200kbps
• 720p - max 3400kbps
• 1080p - max 4000kbps