Have you ever thought of using unlimited private repositories for free? I'm going to brief simple steps on "How to create and manage Private repositories by syncing to Google Drive?" in this post.
$0 - Free
Download and Install"Backup and sync files with google drive". Once it is installed, you would be able to see the Gdrive folder in your machine.
Open CMD and check if hitis already installed, If not run the command "git init --bare". You will see git getting installed.
Add repositories using source tree, Now open Google Drive folder , you will be able to see all libraries needed for git installed. You can now do pull requests and perform git operations.