Question: how do i transfer large video files?
Answer: Use a VPN. "What?" I hear you say. ... 
Use a specialised service. There's a new breed of file transfer services that are browser based and have built-in proprietary technology to accelerate the upload of big files. ... 
Use file compression. ... 
Courier a 20TB external hard drive. ... 
Google Drive. ... 
FTP. ... 
Mediafire. ... 
Hightail.